US3587426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic film assemblage
Assignee: Polaroid Corp
•
Filing: 1968-03-18
•
Granted: 1971-06-28
•
Expires: 1988-03-18
Abstract
Abstract A PHOTOGRAPHIC FILM ASSEMBLAGE INCLUDING A CONTAINER HOUSING A PLURALITY OF FILM UNITS INCLUDING AN END WALL WITH A SLOT THROUGH WHICH THE FILM UNITS ARE WITHDRAWN, AND A SHEET OF OPAQUE MATERIAL FOR PREVENTING EXPOSURE OF THE FILM UNITS BY LIGHT ADMITTED THROUGH OPENINGS IN THE CONTAINER AND THE WITHDRAWAL OF MORE THAN ONE FILM UNIT AT A TIME THROUGH THE SLOT.
Inventors
- 👤 Irving Erlichman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:41
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/32; G03B17/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |