US3090422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil burner
Assignee: Individual
•
Filing: 1961-11-20
•
Granted: 1963-05-21
•
Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Ducharme Alphonse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:02
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN OIL BURNER COMPRISING A TURBINE CASING, A TURBINE ROTOR FREELY ROTATABLY MOUNTED WITHIN SAID CASING, SAID ROTOR CONSISTING OF A TUBE AND OF AN END ENLARGED CYLINDRICAL HOLLOW PART HAVING A CENTRAL CHAMBER COAXIAL WITH AND IN COMMUNICATION WITH SAID TUBE AND ANGULARLY EQUALLY SPACED BORES OPENING AT THE PERIPHERY OF SAID PART AND IN SAID CHAMBER, SAID BORES BEING INCLINED WITH RESPECT TO THE RADII OF SAID ROTOR INTERSECTING SAID BORES, THE PERIPHERAL FACE OF SAID PART BEING IN CLOSE PROXIMITY TO AN
Claim 2
Dependent Claim
85 words
AN OIL BURNER COMPRISING A TURBINE CASING, A TURBINE ROTOR FREELY ROTATABLY MOUNTED WITHIN SAID CASING, SAID ROTOR CONSISTING OF A TUBE AND OF AN END ENLARGED CYLINDRICAL HOLLOW PART HAVING A CENTRAL CHAMBER COAXIAL WITH AND IN COMMUNICATION WITH SAID TUBE AND ANGULARLY EQUALLY SPACED BORES OPENING AT THE PERIPHERY OF SAID PART AND IN SAID CHAMBER, SAID BORES BEING INCLINED WITH RESPECT TO THE RADII OF SAID ROTOR INTERSECTING SAID BORES, THE PERIPHERAL FACE OF SAID PART BEING IN CLOSE PROXIMITY TO AN
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |