US2499482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon-type gas burner
Assignee: Individual
•
Filing: 1947-12-18
•
Granted: 1950-03-07
•
Expires: 1967-12-18
Abstract
No abstract record available.
Inventors
- 👤 John H Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:43
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/58; F23D14/583; F23D14/586
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1571636A
Cited
US1910020A
Cited
US2210069A
Cited
US2428274A
Cited
US2443101A
Cited
US2438271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |