US2982351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater pilot relighter
Assignee: United Gas Corp
•
Filing: 1956-09-17
•
Granted: 1961-05-02
•
Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:58
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/08; F23Q9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1050328A
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US1575170A
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US2192632A
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US2192631A
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US2255672A
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US2290048A
Cited
US2261458A
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US2409492A
Cited
US2500663A
Cited
US2710056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |