Patent US2715940A successfully refreshed from Google Patents.
US2715940A
Expired / Lapsed
US
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Oven lighting system
Assignee: Geo D Roper Corp
•
Filing: 1946-06-17
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Granted: 1955-08-23
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Expires: 1966-06-17
Abstract
No abstract record available.
Inventors
- 👤 Peter I Hollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:54
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2271506A
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US2150415A
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US2201398A
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US2286610A
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US2319676A
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US2351277A
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US2318823A
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US2309709A
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US2313890A
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US2443892A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |