US3458157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film cartridge
Assignee: Panopix Research Inc
•
Filing: 1967-03-07
•
Granted: 1969-07-29
•
Expires: 1987-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leon W Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:39
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/08; G03B23/12; G03B17/00; G03B17/28; G03B17/30; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1078861A
Cited
US2153573A
Cited
US2213776A
Cited
US2578283A
Cited
US2821576A
Cited
US2988954A
Cited
US3090574A
Cited
US3150840A
Cited
US3105645A
Cited
US3323744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |