US2669184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burning apparatus
Assignee: ATLANTIC DEV Co Inc
•
Filing: 1949-03-31
•
Granted: 1954-02-16
•
Expires: 1969-03-31
Abstract
No abstract record available.
Inventors
- 👤 Lancey Warren H De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:49
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; F23D11/001; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/142; F23K5/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1396823A
Cited
US1591976A
Cited
US1740587A
Cited
US1631859A
Cited
US2132130A
Cited
US2378379A
Cited
US2409477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |