US2641956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film-perforation pitch gauge
Assignee: Eastman Kodak Co
•
Filing: 1948-08-21
•
Granted: 1953-06-16
•
Expires: 1968-08-21
Abstract
No abstract record available.
Inventors
- 👤 Charles A Morrison
- 👤 Fordyce M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:28
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/0007; G; G01; G01B; G01B11/00; G01B11/14
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |