US2964023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow force compensated valve
Assignee: Pneumo Dynamics Corp
•
Filing: 1957-07-30
•
Granted: 1960-12-13
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Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 John W Meulendyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:40
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; F16K11/0708; F16K39/00; F16K39/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86509; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/86702; Y10T137/86718; Y10T137/86759; Y10T137/86791; Y10T137/86799; Y10T137/86807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US789026A
Cited
US2357986A
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US2631571A
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US2648313A
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US2751752A
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US2852039A
Cited
US2826258A
Cited
US2862518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |