US2929968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal switches
Assignee: GTE Sylvania Inc
•
Filing: 1956-04-30
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Granted: 1960-03-22
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Heinz K Henisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:53
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1909; G05D23/20; G05D23/2033; G05D23/2034; G05D23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2769926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |