US3263581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latent image printer
Assignee: EIDP Inc
•
Filing: 1963-06-18
•
Granted: 1966-08-02
•
Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 Linderman James Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:14
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/02; G03B; G03B17/00; G03B17/24; G03B17/245; G03B27/00; G03B27/32; G03B27/52; G03B27/521; G03B2217/00; G03B2217/24; G03B2217/242; G03B2217/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A DEVICE FOR SYMBOLIZING A PERFORATED FILM IN A DESIRED RELATIONSHIP WITH RESPECT TO THE PERFORATIONS COMPRISING MEANS FOR CONTINUOUSLY MOVING SAID FILM PAST SAID DEVICE, AND A FLASHING LIGHT SOURCE FOR PROJECTING A SERIES OF SYMBOLS ALONG SAID FILM, THE IMPROVEMENT WHICH COMPRISES MEANS FOR GENERATING A FLASH IMPULSE FOR ACTUATING SAID LIGHT SOURCE RESPONSIVE TO FILM MOVEMENT IN COMBINATION WITH DETECTOR MEANS FOR COORDINATING PERFORATION PASSAGE WITH RELEASE OF THE FLASH IMPULSE SO AS TO OCCUR ONLY AT A SPACE BETWEEN PERFORATIONS.
Claim 2
Dependent Claim
85 words
IN A DEVICE FOR SYMBOLIZING A PERFORATED FILM IN A DESIRED RELATIONSHIP WITH RESPECT TO THE PERFORATIONS COMPRISING MEANS FOR CONTINUOUSLY MOVING SAID FILM PAST SAID DEVICE, AND A FLASHING LIGHT SOURCE FOR PROJECTING A SERIES OF SYMBOLS ALONG SAID FILM, THE IMPROVEMENT WHICH COMPRISES MEANS FOR GENERATING A FLASH IMPULSE FOR ACTUATING SAID LIGHT SOURCE RESPONSIVE TO FILM MOVEMENT IN COMBINATION WITH DETECTOR MEANS FOR COORDINATING PERFORATION PASSAGE WITH RELEASE OF THE FLASH IMPULSE SO AS TO OCCUR ONLY AT A SPACE BETWEEN PERFORATIONS.
References Cited (Backward Citations)
US1948319A
Cited
US2302001A
Cited
US2490338A
Cited
US2785859A
Cited
US2659754A
Cited
US2945624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |