Patent US2516501A successfully refreshed from Google Patents.
US2516501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic electrical switch
Assignee: MANREIN CORP
•
Filing: 1947-09-27
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Granted: 1950-07-25
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Expires: 1967-09-27
Abstract
No abstract record available.
Inventors
- 👤 Altman Bernard
- 👤 Stiller Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:50
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/46; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18928; Y10T74/20; Y10T74/20576; Y10T74/20582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |