US2771847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refuse destructor
Assignee: Individual
•
Filing: 1950-03-16
•
Granted: 1956-11-27
•
Expires: 1970-03-16
Abstract
No abstract record available.
Inventors
- 👤 Francis C Holbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:26
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/002; F23G5/004; F23J; F23J1/00; F23J2700/00; F23J2700/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1494468A
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US962322A
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US1447681A
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US1614295A
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US1606820A
Cited
US1811562A
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US1973697A
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US2032412A
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US2165802A
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US2481504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |