US2929901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostat
Assignee: Trafag Transformatorenbau A G
•
Filing: 1958-05-09
•
Granted: 1960-03-22
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 Bloch Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:53
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/36; G; G01; G01K; G01K5/00; G01K5/02; G01K5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2274329A
Cited
US2355975A
Cited
US2727115A
Cited
US2792475A
Cited
US2828373A
Cited
US2758178A
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 |