Patent US3276505A successfully refreshed from Google Patents.
US3276505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant burner
Assignee: Individual
•
Filing: 1964-02-14
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Granted: 1966-10-04
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Huber Ludwig
- 👤 Haag Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:04
CPC Classifications
F; F23; F23C; F23C15/00; F02; F02M; F02M69/00; F23C99/00; F02B; F02B2720/00; F02B2720/15; F02B2720/155; F23C2700/00; F23C2700/02; F23C2700/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A RESONANT BURNER COMPRISING A TUBULAR CASING FORMING A COMBUSTION CHAMBER WITH A RESONANT TUBE HAVING AN OPEN END AND AN OPPOSITE END WITH AN ANTECHAMBER PORTION FORMED ADJACENT THE OPPOSITE END HAVING WALLS CONVERGING TOWARD THE OPPOSITE END, AN ATOMIZER MEANS CONNECTED INTO SAID ANTE-CHAMBER PORTION INCLUDING A CENTRAL CONDUIT FOR DIRECTING A STREAM OF STARTING AIR AXIALLY INTO THE ANTE-CHAMBER AND COMBUSTION CHAMBER AND FOR PERMITTING THE OSCILLATABLE FLOW OF COMBUSTION GASES BACKWARDLY AND FORWARDLY THERETHROUGH, MEANS FOR DIRECTING COMBUSTION AIR INTO SAID ANTECHAMBER, AND CON-
Claim 2
Dependent Claim
88 words
A RESONANT BURNER COMPRISING A TUBULAR CASING FORMING A COMBUSTION CHAMBER WITH A RESONANT TUBE HAVING AN OPEN END AND AN OPPOSITE END WITH AN ANTECHAMBER PORTION FORMED ADJACENT THE OPPOSITE END HAVING WALLS CONVERGING TOWARD THE OPPOSITE END, AN ATOMIZER MEANS CONNECTED INTO SAID ANTE-CHAMBER PORTION INCLUDING A CENTRAL CONDUIT FOR DIRECTING A STREAM OF STARTING AIR AXIALLY INTO THE ANTE-CHAMBER AND COMBUSTION CHAMBER AND FOR PERMITTING THE OSCILLATABLE FLOW OF COMBUSTION GASES BACKWARDLY AND FORWARDLY THERETHROUGH, MEANS FOR DIRECTING COMBUSTION AIR INTO SAID ANTECHAMBER, AND CON-
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |