US2747072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toaster heating unit
Assignee: Proctor Electric Co
•
Filing: 1953-09-11
•
Granted: 1956-05-22
•
Expires: 1973-09-11
Abstract
No abstract record available.
Inventors
- 👤 John J Lawser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:33
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; H; H05; H05B; H05B3/00; H05B3/10; H05B3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USRE23439E
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US2548511A
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US2659798A
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US2599038A
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US2598592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |