US2543620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric blanket control
Assignee: General Electric Co
•
Filing: 1946-01-09
•
Granted: 1951-02-27
•
Expires: 1966-01-09
Abstract
No abstract record available.
Inventors
- 👤 Harry C Anderson
- 👤 Kenneth T Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:11
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB144669A
Cited
DE436009C
Cited
US1694264A
Cited
GB338880A
Cited
US1979467A
Cited
US1994076A
Cited
US1997011A
Cited
US2126398A
Cited
US2086966A
Cited
US2112080A
Cited
US2189462A
Cited
US2163297A
Cited
US2203918A
Cited
US2278633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |