US2655991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant gas burner
Assignee: WILLIAM D KENNEDY
•
Filing: 1948-11-02
•
Granted: 1953-10-20
•
Expires: 1968-11-02
Abstract
No abstract record available.
Inventors
- 👤 The United National Cliffside
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:03
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/12; F23D14/14; F23D14/147; F23D14/149
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1032860A
Cited
US1614746A
Cited
US1954476A
Cited
FR799159A
Cited
GB487445A
Cited
GB520940A
Cited
GB524062A
Cited
US2368802A
Cited
US2413447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |