US2657464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire control apparatus
Assignee: Unisys Corp
•
Filing: 1928-07-26
•
Granted: 1953-11-03
•
Expires: 1948-07-26
Abstract
No abstract record available.
Inventors
- 👤 Hannibal C Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:35
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/04; F; F41; F41G; F41G5/00; F41G5/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1519015A
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US1497512A
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US1831595A
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US1859725A
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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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |