US3129749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiating gas burner
Assignee: SCHWEIZ GASAPPARATEFABRIK SOLOTHURN
•
Filing: 1960-03-01
•
Granted: 1964-04-21
•
Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Honger Guido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:43
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/04; F23C2700/043
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
A RADIATING GAS BURNER WHEREIN THE COMBUSTION OF A GAS-AIR MIXTURE HEATS AN EXTERNAL DIAPHRAGM TO INCANDESCENCE, THE SAID EXTERNAL DIAPHRAGM COMPRISING AT LEAST TWO WIRE NETS SUPERPOSED IN SUBSTANTIALLY PARALLEL POSITION, A BURNER BODY HAVING A BURNER OPENING AND CLAMPING MEANS ROUND THE SAID BURNER OPENING FOR TIGHTLY CLAMPING AND SECURING THE SAID WIRE NETS ALONG THE SAID BURNER OPENING, A LATTICED SUPPORTING STRUCTURE WITHIN THE SAID BURNER
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |