US3062232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination two direction check and gate valve
Assignee: Individual
•
Filing: 1958-12-29
•
Granted: 1962-11-06
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 John B Mcgay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:08
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/18; F16K15/182; F16K15/1821; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7783; Y10T137/7835; Y10T137/7837; Y10T137/7898; Y10T137/7903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US428671A
Cited
US2704648A
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US1744798A
Cited
US2251414A
Cited
US2445163A
Cited
US2737157A
Cited
US2744719A
Cited
US2886062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |