US3147466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot light system
Assignee: French Oil Mill Machinery Co
•
Filing: 1960-06-09
•
Granted: 1964-09-01
•
Expires: 1980-06-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Stacy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:59
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/16; H01H9/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US348155A
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US1321287A
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US1118454A
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US1080493A
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US2123699A
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US2197700A
Cited
GB517120A
Cited
US2482478A
Cited
US2930961A
Cited
US2941186A
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US3045168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |