US2875854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-mechanical control system
Assignee: Rheinmetall Air Defence AG
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Filing: 1954-07-19
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Granted: 1959-03-03
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Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Josef J Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/24; H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |