US3092168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross lighter for a gas burner assembly
Assignee: AO Smith Corp
•
Filing: 1959-08-06
•
Granted: 1963-06-04
•
Expires: 1979-08-06
Abstract
No abstract record available.
Inventors
- 👤 Edward G Phlaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:43
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/045
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
IN A GAS BURNER HAVING DISCHARGE PORTS, A CROSS LIGHTER COMPRISING UPPER AND LOWER CHANNEL MEMBERS FACING EACH OTHER AND HAVING CORRESPONDING FLANGES ALONG ONE SIDE THEREOF CLOSING THE SAME AND REMAINING CORRESPONDING SIDE AND END FLANGES SPACED IN EDGE TO EDGE RELATION TO PROVIDE A CONTINUOUS SLOT SERVING AS A GAS DISCHARGE PORT THEREFOR, GAS SUPPLY MEANS FOR SAID CROSS LIGHTER FROM THE BURNER PROJECTIONS EXTENDING INTERNALLY OF AND INWARDLY FROM ONE OF SAID CHANNEL MEMBERS TOWARD THE OTHER AND
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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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |