UST896020I4
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beach lens cover and signal device
Assignee: —
•
Filing: 1971-02-09
•
Granted: 1972-03-07
•
Expires: 1991-02-09
Abstract
Abstract A CAMERA HAVING A PICTURE TAKING LENS AND A VIEW-FINDER INCLUDES A COVER 7 FOR PROTECTING THE LENS, AND A SIGNAL DEVICE 9 WHICH BECOMES VISBLE IN THE VIEWFINDER WHENEVER THE COVER BLOCKS THE LENS.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:31
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/18; G03B17/20
Claims Analysis
Total Claims: 0
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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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |