Patent US3375477A successfully refreshed from Google Patents.
US3375477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overheat detector for electric blankets and the like
Assignee: Individual
•
Filing: 1964-07-10
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Granted: 1968-03-26
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Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Kawazoe Toshinobu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:07
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04; H01B; H01B7/00; H01B7/32; H01B7/324; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H02; H02H; H02H5/00; H02H5/04; H02H5/042; H02H5/043; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/014; H05B2203/017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA610691A
Cited
US2611854A
Cited
US2777932A
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US2846559A
Cited
US2831099A
Cited
US2941192A
Cited
US3270184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |