US3461273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state circuit for controlling the temperature of an electric appliance such as a blanket
Assignee: Nortel Networks Ltd
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Filing: 1966-08-24
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Granted: 1969-08-12
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Expires: 1986-08-24
Abstract
No abstract record available.
Inventors
- 👤 Carrel Hilton Dykes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:54
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/30; G05D23/303; H; H02; H02M; H02M1/00; H02M1/08; H02M1/083
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) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |