US3269666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner
Assignee: Vereenigde Glasfabrieken NV
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Filing: 1964-07-20
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Granted: 1966-08-30
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Leeuw Gerrit De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:52
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A GAS BURNER, WHICH IS PROVIDED WITH A PLURALITY OF GAS CANALS, ARRANGED IN A ROW, AND HAVING CONNECTION WITH A MAIN GAS SUPPLY ESPECIALLY A CIRCULAR BURNER, WHICH BURNER HAS A CONTINUOUS CAVITY, WHICH IS CONNECTED WITH THE GAS CANALS NEAR THE OUTLET OPENING OF THESE GAS CANALS, THE SAID CAVITY HAVING A WIDTH WHICH IS SMALLER AND A LENGTH WHICH IS SEVERAL TIMES GREATER THAN THE WIDTH OF THE GAS CANALS.
Claim 2
Dependent Claim
73 words
A GAS BURNER, WHICH IS PROVIDED WITH A PLURALITY OF GAS CANALS, ARRANGED IN A ROW, AND HAVING CONNECTION WITH A MAIN GAS SUPPLY ESPECIALLY A CIRCULAR BURNER, WHICH BURNER HAS A CONTINUOUS CAVITY, WHICH IS CONNECTED WITH THE GAS CANALS NEAR THE OUTLET OPENING OF THESE GAS CANALS, THE SAID CAVITY HAVING A WIDTH WHICH IS SMALLER AND A LENGTH WHICH IS SEVERAL TIMES GREATER THAN THE WIDTH OF THE GAS CANALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |