US3408019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film cartridge
Assignee: Panopix Research Inc
•
Filing: 1966-03-24
•
Granted: 1968-10-29
•
Expires: 1986-03-24
Abstract
No abstract record available.
Inventors
- 👤 Leon W Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:00
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US959601A
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US1623505A
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US2505783A
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US2755030A
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US2578283A
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US3090574A
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US3188014A
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US3190575A
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US3190577A
Cited
US3317151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |