US2563137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste material consuming structure
Assignee: Individual
•
Filing: 1946-11-15
•
Granted: 1951-08-07
•
Expires: 1966-11-15
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Sharpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:58
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/02; F23G5/04; F23G5/002; F23G5/44; F23G5/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US981254A
Cited
US1168367A
Cited
US1270574A
Cited
US1787081A
Cited
US1769880A
Cited
US2332591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |