Extract from the Register of European Patents

EP Citations: EP0644815

Cited inSearch
Type:Patent literature
Publication No.:US4995297  [X]
 (RICHARDS JOHN E [US]) [X] 1,2,14,16 * column 5, line 47 - column 6, line 18; figure - * * column A *;
Type:Patent literature
Publication No.:FR2456592  [X]
 (FAUVARQUE GERVAIS) [X] 1,2,14,16 * figure -; claim - *;
Type:Patent literature
Publication No.:US2553400  [X]
 (BLAIR JOHN A) [X] 1,2 * column 6, line 48 - column 7, line 16; figures 1,2,7 *
Cited inInternational search
Type:Patent literature
Publication No.:US1417756  [X]
 (ARTHUR MCDONALD);
Type:Patent literature
Publication No.:US2026001  [X]
 (PERCIVAL RAPINET HAMILTON);
Type:Patent literature
Publication No.:US2587320  [X]
 (GUSTAF HOGSTADIUS SVANTE ERIK);
Type:Patent literature
Publication No.:US3376766  [X]
 (DOMINIQUE VIENAT);
Type:Patent literature
Publication No.:AU8908682  [X]
 (SHAN LOK CORP);
Type:Patent literature
Publication No.:CH400949  [X]
 (ALLEGRAUD JEAN [FR])