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US2514768A
Expired / Lapsed
US
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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 23:30
CPC Classifications
F; F23; F23D; F23D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1800669A
Cited
US1697688A
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US1889031A
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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 |