US2527626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film holder
Assignee: Individual
•
Filing: 1946-05-27
•
Granted: 1950-10-31
•
Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Eric G Forssell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:25
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE212891C
Cited
US1417077A
Cited
US1269457A
Cited
US1277462A
Cited
US1969893A
Cited
US2404117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |