US2632821A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latching solenoid
Assignee: AIR VALVE Inc
•
Filing: 1949-02-07
•
Granted: 1953-03-24
•
Expires: 1969-02-07
Abstract
No abstract record available.
Inventors
- 👤 Otis A Wright
- 👤 Edward H Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:16
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/121; H01F7/124; Y; Y10; Y10S; Y10S285/00; Y10S285/92; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18182; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US873290A
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US999851A
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US999782A
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US1071737A
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US1014300A
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US1582987A
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US2027064A
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US2057380A
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US2098035A
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FR825324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |