Patent US2664877A successfully refreshed from Google Patents.
US2664877A
Expired / Lapsed
US
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Oven construction for ranges
Assignee: Geo D Roper Corp
•
Filing: 1950-06-22
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Granted: 1954-01-05
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Expires: 1970-06-22
Abstract
No abstract record available.
Inventors
- 👤 Robert C Mclaughlin
- 👤 Harold H Ring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:51
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/02; F24C3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1079356A
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US1409923A
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US1520464A
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US2160764A
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US2259639A
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US2207358A
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US2369825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |