US2146389A
Expired / Lapsed
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Thermostatic element
Assignee: HA Wilson Co
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Filing: 1936-05-16
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Granted: 1939-02-07
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Expires: 1956-05-16
Abstract
No abstract record available.
Inventors
- 👤 Romaine G Waltenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:28
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/011; G; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G01K5/64; G01K5/66; H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H2037/526; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/125; Y10T428/12521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-02-06 | 1942-08-08 | 1943-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-06 | 1946-08-08 | 1947-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-06 | 1950-08-08 | 1951-02-07 | $7700.00 | Window Closed / Lapsed |