US2514768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner, including air feed means
Assignee: Individual
•
Filing: 1946-03-27
•
Granted: 1950-07-11
•
Expires: 1966-03-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:30
CPC Classifications
F; F23; F23D; F23D1/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1800669A
Cited
US1697688A
Cited
US1889031A
Cited
US1887015A
Cited
US1721879A
Cited
GB335413A
Cited
US2229068A
Cited
US1993901A
Cited
US2380463A
Cited
CH140956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |