US2620824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically operated fluid release valve
Assignee: Goodman Manufacturing Co LP
•
Filing: 1945-04-16
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Granted: 1952-12-09
•
Expires: 1965-04-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Slomer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:46
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/34; H01H2033/308; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86879; Y10T137/87917; Y10T137/88046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1138278A
Cited
US1281543A
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US1649900A
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US1623557A
Cited
US1897490A
Cited
US1921092A
Cited
US2255496A
Cited
US2389942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |