US2545288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing switch for electric toasters
Assignee: American Electrical Heater Co
•
Filing: 1947-03-03
•
Granted: 1951-03-13
•
Expires: 1967-03-03
Abstract
No abstract record available.
Inventors
- 👤 Kuhn Frank
- 👤 Laurence H Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:58
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/30; H01H43/301; H01H43/302; H01H43/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2106269A
Cited
US2007596A
Cited
US2145722A
Cited
US2132622A
Cited
US2236402A
Cited
US2403803A
Cited
US2439017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |