US3202197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace including refractory sealing sleeve for the nozzle of an oil burner
Assignee: Individual
•
Filing: 1963-04-16
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Granted: 1965-08-24
•
Expires: 1983-04-16
Abstract
No abstract record available.
Inventors
- 👤 George H Knobloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:19
CPC Classifications
F; F23; F23M; F23M5/00; F23M5/02; F23M5/025; F23D; F23D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN COMBINATION A GUN TYPE OIL BURNER AND A WALLED COMBUSTION CHAMBER, SAID COMBUSTION CHAMBER BEING PROVIDED WITH AWN OVAL-SHAPED BURNER APERTURE, SAID OIL BURNER HAVING A GUN TYPE BARREL FOR ATOMIZING THE OIL, SAID BARREL BEING PROVIDED WITH AN AIR CONE AT ITS END A REFRACTORY SEALING SLEEVE WITH ITS INSIDE DIAMETER FITTED TO SAID BARREL OF SAID GUN TYPE OIL BURNER, SAID SLEEVE BEING PROVIDED WITH AN ENLARGED FORMATION AT ONE END, SAID SLEEVE INSERTED THROUGH SAID OVAL-SHAPED APERTURE FROM WITHIN SAID WALL OF SAID COMBUSTION CHAMBER TO FIT OVER THE BARREL OF SAID BURNER AND ABUT WITH THE AIR CONE END, SAID ENLARGED FORMATION OF SAID SLEEVE COVERING AND SEALING SAID OVAL-SHAPED APERTURE.
Claim 2
Dependent Claim
116 words
IN COMBINATION A GUN TYPE OIL BURNER AND A WALLED COMBUSTION CHAMBER, SAID COMBUSTION CHAMBER BEING PROVIDED WITH AWN OVAL-SHAPED BURNER APERTURE, SAID OIL BURNER HAVING A GUN TYPE BARREL FOR ATOMIZING THE OIL, SAID BARREL BEING PROVIDED WITH AN AIR CONE AT ITS END A REFRACTORY SEALING SLEEVE WITH ITS INSIDE DIAMETER FITTED TO SAID BARREL OF SAID GUN TYPE OIL BURNER, SAID SLEEVE BEING PROVIDED WITH AN ENLARGED FORMATION AT ONE END, SAID SLEEVE INSERTED THROUGH SAID OVAL-SHAPED APERTURE FROM WITHIN SAID WALL OF SAID COMBUSTION CHAMBER TO FIT OVER THE BARREL OF SAID BURNER AND ABUT WITH THE AIR CONE END, SAID ENLARGED FORMATION OF SAID SLEEVE COVERING AND SEALING SAID OVAL-SHAPED APERTURE.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |