US2825308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure relay
Assignee: Samson Apparatebau AG
•
Filing: 1953-04-02
•
Granted: 1958-03-04
•
Expires: 1973-04-02
Abstract
No abstract record available.
Inventors
- 👤 Klee Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:57
CPC Classifications
F; F15; F15B; F15B3/00; F15C; F15C3/00; F15C3/04; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/1963; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/8593; Y10T137/87056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2476030A
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US2374945A
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US2619104A
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US2724398A
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US2725068A
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US2612908A
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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) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |