US2630326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: GROVE REGULATOR Co
•
Filing: 1949-08-15
•
Granted: 1953-03-03
•
Expires: 1969-08-15
Abstract
No abstract record available.
Inventors
- 👤 Austin U Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:43
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; F16K15/00; F16K15/14; F16K15/144; F16K15/145; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7848; Y10T137/7879; Y10T137/7888; Y10T137/7889; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86678; Y10T137/87917; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US303554A
Cited
US1242515A
Cited
US2185103A
Cited
US2113615A
Cited
US2277656A
Cited
US2286026A
Cited
US2473912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |