US2830164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature responsive control
Assignee: Robertshaw Controls Co
•
Filing: 1954-12-17
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Granted: 1958-04-08
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Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Weber Victor
- 👤 Hugh J Tyler
- 👤 William J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:37
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0208; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/36; H01H61/00; H01H61/06; H01H61/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2200995A
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US2224596A
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US2210947A
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US2320895A
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US2399423A
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US2500061A
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US2524506A
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US2790057A
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US2767293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |