US3278252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film strip projector and casette
Assignee: Individual
•
Filing: 1965-08-25
•
Granted: 1966-10-11
•
Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Wagner
- 👤 Helmut E Nimke
- 👤 Gerald C Nash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:54
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G03B21/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CASETTE FOR THE CONTINUOUS PROJECTION OF AN ENDLESS FILM STRIP ARRANGED IN A COIL AND HAVING INSIDE AND OUTSIDE TURNS INTERCONNECTED BY A FILM LOOP COMPRISING A FILM HOUSING HAVING AN INTERNAL CORE ADAPTED TO HAVE SAID COIL SUPPORTED THEREON, A REENTRANT FILM GUIDE IN COMMUNICATION WITH SAID HOUSING AND ADAPTED TO HAVE SAID FILM LOOP PASS THERETHROUGH AS SAID ENDLESS FILM STRIP IS CONTINUOUSLY UNWOUND AND REWOUND, SAID REENTRANT FILM GUIDE HAVING ENTRY AND EXIT ENDS DISPOSED RELATIVE TO SAID CORE OF SAID FILM HOUSING TO RECEIVE SAID ENDLESS FILM STRIP AS IT IS CONTINUOUSLY UNWOUND FROM ONE TURN OF SAID COIL AND WOUND UP AT THE OTHER TURN THEREOF, INTERNAL BUTTRESSING EXTENDING FROM SAID ENTRY AND EXIT ENDS RESPECTIVELY AND MERGING INTO SAID REENTRANT FILM GUIDE, SAID REENTRANT
Claim 2
Dependent Claim
131 words
A CASETTE FOR THE CONTINUOUS PROJECTION OF AN ENDLESS FILM STRIP ARRANGED IN A COIL AND HAVING INSIDE AND OUTSIDE TURNS INTERCONNECTED BY A FILM LOOP COMPRISING A FILM HOUSING HAVING AN INTERNAL CORE ADAPTED TO HAVE SAID COIL SUPPORTED THEREON, A REENTRANT FILM GUIDE IN COMMUNICATION WITH SAID HOUSING AND ADAPTED TO HAVE SAID FILM LOOP PASS THERETHROUGH AS SAID ENDLESS FILM STRIP IS CONTINUOUSLY UNWOUND AND REWOUND, SAID REENTRANT FILM GUIDE HAVING ENTRY AND EXIT ENDS DISPOSED RELATIVE TO SAID CORE OF SAID FILM HOUSING TO RECEIVE SAID ENDLESS FILM STRIP AS IT IS CONTINUOUSLY UNWOUND FROM ONE TURN OF SAID COIL AND WOUND UP AT THE OTHER TURN THEREOF, INTERNAL BUTTRESSING EXTENDING FROM SAID ENTRY AND EXIT ENDS RESPECTIVELY AND MERGING INTO SAID REENTRANT FILM GUIDE, SAID REENTRANT
References Cited (Backward Citations)
US2853923A
Cited
US3176310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |