US2676224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature sensitive device
Assignee: A C PALMER CONSTRUCTION Co
•
Filing: 1948-10-04
•
Granted: 1954-04-20
•
Expires: 1968-10-04
Abstract
No abstract record available.
Inventors
- 👤 Verl J Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:50
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/46; H01H37/48; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17008; Y10T74/00; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US392617A
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US1330892A
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US1690049A
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US1902451A
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US2089081A
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US2270738A
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US2221907A
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US2354834A
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US2454647A
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US2423693A
Cited
US2493323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |