US2690800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic reset timer
Assignee: Automatic Temperature Control Co Inc
•
Filing: 1951-10-03
•
Granted: 1954-10-05
•
Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Donald H Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/02; H01H43/04; H01H43/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T74/2106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1436422A
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US1548043A
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US1801129A
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US1898893A
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US2077684A
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US2272545A
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US2380969A
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US2627919A
Cited
US2536133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |