US3306697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable movie film viewer
Assignee: Individual
•
Filing: 1965-02-23
•
Granted: 1967-02-28
•
Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 Otto R Nemeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:45
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
228 words
A PORTABLE MOVIE FILM VIEWER COMPRISING, IN COMBINATION: A CASING DEFINING A VIEWING OPENING AND MEANS FOR HOLDING A FILM IN POSITION TO BE VIEWED THROUGH SAID VIEWING OPENING; A CLAW MEANS IN SAID CASING HAVING A DRIVING CLAW IN A POSITION TO ENGAGE A SPROCKET HOLE IN SAID FILM; AND MEANS FOR MOVING SAID CLAW MEANS IN SUCCESSIVE REARWARD, DOWNWARD, FORWARD, AND UPWARD DIRECTIONS TO THEREBY EFFECT A SUCCESSIVE POSITIONING OF PICTURES ON SAID FILM FOR VIEWING THROUGH SAID VIEWING MEANS, SAID MEANS FOR MOVING SAID CLAW MEANS INCLUDING A CAM WHEEL ROTATABLY MOUNTED IN SAID CASING ABOVE SAID CLAW MEANS AND INCLUDING A CAM SURFACE HAVING A STEEP LEADING EDGE, AND A REARWARD SLOPING PORTION TERMINATING IN A SHOULDER, SAID CLAW MEANS INCLUDING A SINGLE CAM FOLLOWER PROJECTION; MEANS MOUNTING SAID CLAW MEANS FOR FORWARD AND REARWARD MOVEMENT AND FOR UP AND DOWN MOVEMENT; AND SPRING MEANS URGING SAID CLAW MEANS FORWARDLY AND UPWARDLY TO EFFECT ENGAGEMENT OF SAID CAM FOLLOWER PROJECTION WITH SAID CAM SURFACE, SAID SHOULDER ON SAID CAM SURFACE URGING SAID CLAW MEANS REARWARDLY TO DISENGAGE SAID CLAW MEANS FROM A SPROCKET HOLE IN SAID FILM UPON ROTATION OF SAID CAM WHEEL AND SAID STEEP LEADING EDGE RELEASING SAID CLAW MEANS UPON FURTHER ROTATION OF SAID WHEEL SO THAT SAID SPRING MEANS SNAPS SAID CLAW MEANS FORWARDLY AND UPWARDLY TO DRIVE SAID FILM.
Claim 2
Dependent Claim
228 words
A PORTABLE MOVIE FILM VIEWER COMPRISING, IN COMBINATION: A CASING DEFINING A VIEWING OPENING AND MEANS FOR HOLDING A FILM IN POSITION TO BE VIEWED THROUGH SAID VIEWING OPENING; A CLAW MEANS IN SAID CASING HAVING A DRIVING CLAW IN A POSITION TO ENGAGE A SPROCKET HOLE IN SAID FILM; AND MEANS FOR MOVING SAID CLAW MEANS IN SUCCESSIVE REARWARD, DOWNWARD, FORWARD, AND UPWARD DIRECTIONS TO THEREBY EFFECT A SUCCESSIVE POSITIONING OF PICTURES ON SAID FILM FOR VIEWING THROUGH SAID VIEWING MEANS, SAID MEANS FOR MOVING SAID CLAW MEANS INCLUDING A CAM WHEEL ROTATABLY MOUNTED IN SAID CASING ABOVE SAID CLAW MEANS AND INCLUDING A CAM SURFACE HAVING A STEEP LEADING EDGE, AND A REARWARD SLOPING PORTION TERMINATING IN A SHOULDER, SAID CLAW MEANS INCLUDING A SINGLE CAM FOLLOWER PROJECTION; MEANS MOUNTING SAID CLAW MEANS FOR FORWARD AND REARWARD MOVEMENT AND FOR UP AND DOWN MOVEMENT; AND SPRING MEANS URGING SAID CLAW MEANS FORWARDLY AND UPWARDLY TO EFFECT ENGAGEMENT OF SAID CAM FOLLOWER PROJECTION WITH SAID CAM SURFACE, SAID SHOULDER ON SAID CAM SURFACE URGING SAID CLAW MEANS REARWARDLY TO DISENGAGE SAID CLAW MEANS FROM A SPROCKET HOLE IN SAID FILM UPON ROTATION OF SAID CAM WHEEL AND SAID STEEP LEADING EDGE RELEASING SAID CLAW MEANS UPON FURTHER ROTATION OF SAID WHEEL SO THAT SAID SPRING MEANS SNAPS SAID CLAW MEANS FORWARDLY AND UPWARDLY TO DRIVE SAID FILM.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |