US2585451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footage indicator in a motionpicture camera viewer
Assignee: City National Bank and Trust Co
•
Filing: 1948-10-08
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Granted: 1952-02-12
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Expires: 1968-10-08
Abstract
No abstract record available.
Inventors
- 👤 Frankel Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:26
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858792A
Cited
FR707804A
Cited
US2013288A
Cited
US2249975A
Cited
US2294250A
Cited
CH224669A
Cited
US2346076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |