US2852993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film strip feeding and holding device
Assignee: PHILIP S ALLEN
•
Filing: 1955-03-01
•
Granted: 1958-09-23
•
Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Marvin C Applegate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:46
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR743072A
Cited
GB190723973A
Cited
GB191226820A
Cited
US1232900A
Cited
US2371073A
Cited
US2458699A
Cited
US2544644A
Cited
US2647449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |