US2907382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burner
Assignee: Individual
•
Filing: 1952-12-31
•
Granted: 1959-10-06
•
Expires: 1972-12-31
Abstract
No abstract record available.
Inventors
- 👤 Oran T Mcilvaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:52
CPC Classifications
F; F23; F23D; F23D17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US62953A
Cited
US544152A
Cited
US804315A
Cited
US1055715A
Cited
GB131108A
Cited
US1760459A
Cited
US2225606A
Cited
US2446059A
Cited
US2501627A
Cited
US2576053A
Cited
US2579507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |