Patent US3402982A successfully refreshed from Google Patents.
US3402982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-optical system
Assignee: Individual
•
Filing: 1965-09-30
•
Granted: 1968-09-24
•
Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:16
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G03B21/325; G03B21/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
APPARATUS FOR IMAGINMG FRAMES FROM A FILM STRIP COMPRISING: (A) A FILM CARTRIDGE FOR CONTAINING AN ENDLESS MOTION PICTURE FILM PORTION DEFINED BY A SPIRAL COIL FORMATION THEREOF HAVING AN INTERIOR AND EXTERIOR THEREOF, (B) ROTOR MEANS FOR TAKING SUCH FILM OFF THE INTERIOR OF THE SPIRAL COIL FORMATION AND FOR FEEDING IT ONTO THE EXTERIOR THEREOF, (C) AN END WALL IN THE CARTRIDGE HAVING A SINGLE OPENING THEREIN, (D) MEANS FOR GUIDING A PORTION OF THE FILM PAST THE OPENING, (E) AN OPTICAL PROJECTION MEANS FOR DIRECTING A SOURCE OF LIGHT THROUGH SAID FILM, SAID PROJECTION MEANS MOUNTED ON A SUPPORT, AND (F) MEANS FOR MOVING THE SUPPORT ALONG A PREDETERMINED PATH TOWARD AND AWAY FROM SAID CARTRIDGE SO AS TO POSITION THE OPTICAL PROJECTION MEANS DIRECTLY BEHIND THE FILM IN ALIGNMENT WITH THE OPENING IN THE END WALL OF THE CARTRIDGE FOR PROJECTING LIGHT THROUGH THE FILM AND THE OPENING IN THE END WALL.
Claim 2
Dependent Claim
156 words
APPARATUS FOR IMAGINMG FRAMES FROM A FILM STRIP COMPRISING: (A) A FILM CARTRIDGE FOR CONTAINING AN ENDLESS MOTION PICTURE FILM PORTION DEFINED BY A SPIRAL COIL FORMATION THEREOF HAVING AN INTERIOR AND EXTERIOR THEREOF, (B) ROTOR MEANS FOR TAKING SUCH FILM OFF THE INTERIOR OF THE SPIRAL COIL FORMATION AND FOR FEEDING IT ONTO THE EXTERIOR THEREOF, (C) AN END WALL IN THE CARTRIDGE HAVING A SINGLE OPENING THEREIN, (D) MEANS FOR GUIDING A PORTION OF THE FILM PAST THE OPENING, (E) AN OPTICAL PROJECTION MEANS FOR DIRECTING A SOURCE OF LIGHT THROUGH SAID FILM, SAID PROJECTION MEANS MOUNTED ON A SUPPORT, AND (F) MEANS FOR MOVING THE SUPPORT ALONG A PREDETERMINED PATH TOWARD AND AWAY FROM SAID CARTRIDGE SO AS TO POSITION THE OPTICAL PROJECTION MEANS DIRECTLY BEHIND THE FILM IN ALIGNMENT WITH THE OPENING IN THE END WALL OF THE CARTRIDGE FOR PROJECTING LIGHT THROUGH THE FILM AND THE OPENING IN THE END WALL.
References Cited (Backward Citations)
US1968979A
Cited
US2279022A
Cited
US2624231A
Cited
US2625073A
Cited
US2630485A
Cited
US3212837A
Cited
US3227508A
Cited
US3139789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |