US2515869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator with spark arrester and cooling means
Assignee: GREGG
•
Filing: 1944-09-22
•
Granted: 1950-07-18
•
Expires: 1964-09-22
Abstract
No abstract record available.
Inventors
- 👤 Robert G Gregg
- 👤 Albert E Wirth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:13
CPC Classifications
F; F23; F23M; F23M5/00; F23M5/08; F23M5/085; F23G; F23G5/00; F23G5/44; F23J; F23J15/00; F23J15/02; F23J15/022; F23J15/027; F23L; F23L17/00; F23L17/16; F23M11/00; F23M11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |