US2653003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve
Assignee: Individual
•
Filing: 1946-10-26
•
Granted: 1953-09-22
•
Expires: 1966-10-26
Abstract
No abstract record available.
Inventors
- 👤 John W Overbeke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:53
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/072; F16K11/074; F16K11/0743; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US841470A
Cited
US1207482A
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GB112873A
Cited
US1345382A
Cited
US1486685A
Cited
US1752456A
Cited
US2192835A
Cited
US2191232A
Cited
US2324932A
Cited
US2317407A
Cited
US2380369A
Cited
US2377473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |