US2742893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable cooking stove
Assignee: Individual
•
Filing: 1951-01-26
•
Granted: 1956-04-24
•
Expires: 1971-01-26
Abstract
No abstract record available.
Inventors
- 👤 Vern L Keffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:57
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/14; F24C3/02; F24C3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1127613A
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US1561672A
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US1827951A
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US1775165A
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US1977267A
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US1977268A
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US2107972A
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US2187169A
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US2403823A
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US2544603A
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US2444142A
Cited
US2560984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |