US3002530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic poppet valve
Assignee: Consolidated Electrodynamics Corp
•
Filing: 1958-01-27
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Granted: 1961-10-03
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Gibbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:21
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/365; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/87153; Y10T137/877; Y10T137/87708; Y10T137/87764
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2400992A
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US2376918A
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US2587821A
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US2484102A
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US2699069A
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US2677390A
Cited
US2700986A
Cited
US2766612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |