US2974642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve
Assignee: Acme Industrial Co
•
Filing: 1959-06-04
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Granted: 1961-03-14
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Expires: 1979-06-04
Abstract
No abstract record available.
Inventors
- 👤 George M Statkus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:16
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; A; A62; A62B; A62B7/00; B; B23; B23Q; B23Q16/00; B23Q16/006; B23Q16/02; B23Q16/022; B23Q16/026; B23Q16/04; B23Q16/06; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/06; B23Q5/22; B23Q5/26; B23Q5/266; B23Q2705/00; B23Q2705/02; B23Q2705/04; B23Q2705/043; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2480403A
Cited
US2929393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |