US3362772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-threading motion picture projector
Assignee: Eugen Bauer GmbH
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Filing: 1965-08-03
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Granted: 1968-01-09
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Rube Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:57
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/56; B; B65; B65H; B65H19/00; B65H19/22; B65H19/28; G03B1/42; G03B31/00; G03B31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN AN AUTOMATIC THREADING SOUND PROJECTOR, A FEED SPROCKET; A SOUND DRUM ADJACENT TO BUT SPACED FROM SAID SPROCKET; A FIRST FILM GUIDE DISPOSED BETWEEN SAID SPROCKET AND SAID DRUM AND HAVING TWO GUIDE FACES; A SECOND FILM GUIDE SURROUNDING A FIRST PORTION OF SAID DRUM AND OVERLYING ONE OF SAID GUIDE FACES; A FILM TENSIONING MEMBER ADJACENT TO THE OTHER GUIDE FACE; A THIRD FILM GUIDE LOCATED BETWEEN SAID TENSIONING MEMBER AND A NON-SURROUNDED SECOND PORTION OF SAID DRUM, SAID THIRD FILM GUIDE BEING MOVABLE BETWEEN A FIRST POSITION IN WHICH IT DIRECTS THE FILM TOWARD SAID OTHER GUIDE FACE AND A SECOND POSITION; MEANS FOR MOVING SAID THIRD GUIDE TO SAID FIRST POSITION; AND MEANS FOR MOVING SAID THIRD GUIDE TO SAID SECOND POSITION.
Claim 2
Dependent Claim
126 words
IN AN AUTOMATIC THREADING SOUND PROJECTOR, A FEED SPROCKET; A SOUND DRUM ADJACENT TO BUT SPACED FROM SAID SPROCKET; A FIRST FILM GUIDE DISPOSED BETWEEN SAID SPROCKET AND SAID DRUM AND HAVING TWO GUIDE FACES; A SECOND FILM GUIDE SURROUNDING A FIRST PORTION OF SAID DRUM AND OVERLYING ONE OF SAID GUIDE FACES; A FILM TENSIONING MEMBER ADJACENT TO THE OTHER GUIDE FACE; A THIRD FILM GUIDE LOCATED BETWEEN SAID TENSIONING MEMBER AND A NON-SURROUNDED SECOND PORTION OF SAID DRUM, SAID THIRD FILM GUIDE BEING MOVABLE BETWEEN A FIRST POSITION IN WHICH IT DIRECTS THE FILM TOWARD SAID OTHER GUIDE FACE AND A SECOND POSITION; MEANS FOR MOVING SAID THIRD GUIDE TO SAID FIRST POSITION; AND MEANS FOR MOVING SAID THIRD GUIDE TO SAID SECOND POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |