Patent US2543115A successfully refreshed from Google Patents.
US2543115A
Expired / Lapsed
US
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Reflector oven
Assignee: Individual
•
Filing: 1947-12-04
•
Granted: 1951-02-27
•
Expires: 1967-12-04
Abstract
No abstract record available.
Inventors
- 👤 Frank F Lindstaedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:23
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/20; F24B1/202; F24B1/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US34791A
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US143288A
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US197963A
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US216003A
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US240639A
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US548499A
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US1216008A
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US1404808A
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US1449952A
Cited
US1490274A
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US2275942A
Cited
US2424665A
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 |