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Extract from the Register of European Patents

EP About this file: EP0249564

EP0249564 - Differential plane mirror interferometer having beamsplitter/beam folder assembly [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  11.05.1990
Database last updated on 13.11.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
ZYGO CORPORATION
Laurel Brook Road Middlefield
Connecticut 06455 / US
[N/P]
Former [1987/51]For all designated states
ZYGO CORPORATION
Laurel Brook Road
Middlefield Connecticut 06455 / US
Inventor(s)01 / Sommargren, Gary E.
119 Neck Road
Madison Connecticut 06443 / US
02 / Young, Peter S.
307 Cherry Hill Road
Middlefield Connecticut 06455 / US
[1987/51]
Representative(s)Levesque, Denys, et al
Cabinet Beau de Loménie 158, rue de l'Université
75340 Paris Cédex 07 / FR
[N/P]
Former [1987/51]Levesque, Denys, et al
Cabinet Beau de Loménie 158, rue de l'Université
F-75340 Paris Cédex 07 / FR
Application number, filing date87401334.512.06.1987
[1987/51]
Priority number, dateUS1986087340612.06.1986         Original published format: US 873406
[1987/51]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0249564
Date:16.12.1987
Language:EN
[1987/51]
Type: A3 Search report 
No.:EP0249564
Date:10.05.1989
Language:EN
[1989/19]
Search report(s)(Supplementary) European search report - dispatched on:EP21.03.1989
ClassificationIPC:G01B9/02, G01D5/26
[1987/51]
CPC:
G01B9/02018 (EP); G01B9/02057 (EP); G01B2290/70 (EP)
Designated contracting statesDE,   FR,   GB [1987/51]
TitleGerman:Differentialplanspiegelinterferometer mit Strahlteiler-/Strahlfaltungseinheit[1987/51]
English:Differential plane mirror interferometer having beamsplitter/beam folder assembly[1987/51]
French:Interféromètre à miroir plan différentiel ayant un ensemble à séparation et à plieur de faisceaux[1987/51]
File destroyed:16.03.1999
Examination procedure01.07.1989Application deemed to be withdrawn, date of legal effect  [1990/26]
29.01.1990Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [1990/26]
Fees paidPenalty fee
Penalty fee Rule 85b EPC 1973
05.12.1989M01   Not yet paid
Additional fee for renewal fee
30.06.198903   M06   Not yet paid
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Documents cited:Search[A]US3788746  ;
 [A]US3656853  ;
 [A]JPS60233502
 [A]  - PATENT ABSTRACTS OF JAPAN, vol. 10, no. 101 (P-447)[2158]17th April 1986; & JP-A-60 233 502 (YOKOGAWA HIYUURETSUTO PATSUKAADO K.K.) 20-11-1988
 [AD]  - JOURNAL OF PHYSICS E. SCIENTIFIC INSTRUMENTS, vol. 17, no. 8, August 1984, pages 669-673, The Institute of Physics, WolverhamptonGB; M. OKAJI et al.: "A practical measurement system for the accurate determination of linear thermal expansion coefficients"
 [A]  - OPTIK, vol. 70, no. 2, May 1985, pages 58-63, StuttgartDE; R. PROBST: "]ber die Justierung eines Polarisationsteilerprismas in einem hochauflösenden Zweistrahlinterferometer"
 [A]  - REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 56, no. 8, August 1985, pages 1604-1607, American Institute of Physics, Woodbury, New YorkUS; P. NIAY et al.: "Polarization interferometer for angular masurements"
 [A]  - PROCEEDINGS ICO CONFERENCE OPT. METHODS IN SCI. AND IND. MEAS., Tokyo, 1974, Japanese Journal of Applied Physics, vol. 14, Suppl. 14-1, 1975pages 373-377; I.M. ANDREWS: "An optical technique for analysis of the behaviour of flying heads in computer disc files"
 [A]  - JOURNAL OF PHYSICS E. SCIENTIFIC INSTRUMENTS, vol. 16, 1983, pages 1208-1213, The Institute of PhysicsGB; M. OKAJI et al.: "High-resolution multifold path interferometers for dilatometric measurements"
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