US2898468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording apparatus
Assignee: General Dynamics Corp
•
Filing: 1956-06-29
•
Granted: 1959-08-04
•
Expires: 1976-06-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Mcnaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:07
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/05; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1880289A
Cited
US2297691A
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US2319174A
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US2549546A
Cited
US2683689A
Cited
US2764693A
Cited
US2716826A
Cited
US2836725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |