US3476469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture film
Assignee: Panopix Research Inc
•
Filing: 1967-02-06
•
Granted: 1969-11-04
•
Expires: 1987-02-06
Abstract
No abstract record available.
Inventors
- 👤 Leon W Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:16
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/06; G09B5/067; G03; G03D; G03D15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190909262A
Cited
US2007214A
Cited
US2168041A
Cited
US2322489A
Cited
US2483040A
Cited
US2542188A
Cited
US3022165A
Cited
US3115806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |