US2617699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for cut film
Assignee: Individual
•
Filing: 1948-04-30
•
Granted: 1952-11-11
•
Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 Charles D Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:33
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US391751A
Cited
US469122A
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US633318A
Cited
US1121459A
Cited
US1133889A
Cited
US1510599A
Cited
US1658496A
Cited
US2196293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |