US2582888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner
Assignee: JESSE DONELLA
•
Filing: 1947-01-29
•
Granted: 1952-01-15
•
Expires: 1967-01-29
Abstract
No abstract record available.
Inventors
- 👤 Reinhold D Schoenwetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:30
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720889A
Cited
US1858302A
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US1862910A
Cited
US2193829A
Cited
US2204451A
Cited
US2253266A
Cited
US2319636A
Cited
US2420598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |