US3306335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas space heater
Assignee: Individual
•
Filing: 1964-11-03
•
Granted: 1967-02-28
•
Expires: 1984-11-03
Abstract
No abstract record available.
Inventors
- 👤 Charles H Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0488; F23; F23D; F23D99/00; F23D99/002; F23D99/004; F23D2206/00; F23D2206/0094; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A GAS SPACE HEATER, COMPRISING A TUBULAR HOUSING HAVING AN OPEN FORWARD END AND A PERFORATED REAR END, A GAS BURNER ASSEMBLY MOUNTED ON THE HOUSING AND HAVING A LONGITUDINAL TUBULAR NOZZLE CONCENTRICALLY SPACED IN THE HOUSING, THE FORWARD END OF THE NOZZLE BEING LONGITUDINALLY SPACED FROM THE FORWARD END OF THE HOUSING, AND A SUCTION DEVICE MOUNTED WITHIN THE HOUSING BETWEEN THE BURNER ASSEMBLY AND THE PERFORATED REAR END OF THE HOUSING SAID NOZZLE HAVING A CLOSED REAR END AND AN OPEN FORWARD END, A REDUCED DIAMETER JET CONCENTRICALLY SPACED WITHIN SAID NOZZLE, THE SIDE WALL OF THE NOZZLE BEING FORMED WITH OPENINGS SPACED REARWARDLY FROM THE FORWARD END OF THE JET.
Claim 2
Dependent Claim
113 words
A GAS SPACE HEATER, COMPRISING A TUBULAR HOUSING HAVING AN OPEN FORWARD END AND A PERFORATED REAR END, A GAS BURNER ASSEMBLY MOUNTED ON THE HOUSING AND HAVING A LONGITUDINAL TUBULAR NOZZLE CONCENTRICALLY SPACED IN THE HOUSING, THE FORWARD END OF THE NOZZLE BEING LONGITUDINALLY SPACED FROM THE FORWARD END OF THE HOUSING, AND A SUCTION DEVICE MOUNTED WITHIN THE HOUSING BETWEEN THE BURNER ASSEMBLY AND THE PERFORATED REAR END OF THE HOUSING SAID NOZZLE HAVING A CLOSED REAR END AND AN OPEN FORWARD END, A REDUCED DIAMETER JET CONCENTRICALLY SPACED WITHIN SAID NOZZLE, THE SIDE WALL OF THE NOZZLE BEING FORMED WITH OPENINGS SPACED REARWARDLY FROM THE FORWARD END OF THE JET.
References Cited (Backward Citations)
US1254145A
Cited
US1299968A
Cited
US1987603A
Cited
US2879837A
Cited
US2966347A
Cited
US3160401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |