US2912941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous incinerator structures
Assignee: Individual
•
Filing: 1956-10-15
•
Granted: 1959-11-17
•
Expires: 1976-10-15
Abstract
No abstract record available.
Inventors
- 👤 Charles W Hughes
- 👤 Arthur W Schmid
- 👤 Claude S Hallam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:07
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/002; F23G5/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1659564A
Cited
US1800689A
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US2005082A
Cited
US2024652A
Cited
US2386336A
Cited
US2481504A
Cited
US2646980A
Cited
US2773629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |