Patent US3620849A successfully refreshed from Google Patents.
US3620849A
Expired / Lapsed
US
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Thermocouple apparatus
Assignee: Robertshaw Controls Co
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Filing: 1968-04-01
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Granted: 1971-11-16
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Expires: 1988-04-01
Abstract
Abstract A thermocouple for attachment to a burner. The thermocouple has a mounting portion and an adapter thereon engageable with the burner. The adapter and the mounting portion are yieldably restrained against relative sliding movement to facilitate adjustment of the thermocouple relative to the burner flame.
Inventors
- 👤 Edwin A Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:15
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; F23Q9/04; G; G01; G01K; G01K1/00; G01K1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2410098A
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US2430887A
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US2474547A
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US3056450A
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US3290178A
Cited
US3522107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |