Patent US1769622A successfully refreshed from Google Patents.
US1769622A
Expired / Lapsed
US
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Thermostat
Assignee: W M CHACE VALVE Co
•
Filing: 1928-01-27
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Granted: 1930-07-01
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Expires: 1948-01-27
Abstract
No abstract record available.
Inventors
- 👤 Adelbert H Lindley
- 👤 Cooper Arthur
- 👤 Hilma B Chace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:21
CPC Classifications
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; H01H2037/528; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10S428/9265; Y10S428/933; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/125; Y10T428/12507; Y10T428/12514; Y10T428/12986
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) | 1933-06-30 | 1933-12-30 | 1934-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-30 | 1937-12-30 | 1938-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-30 | 1941-12-30 | 1942-07-01 | $7700.00 | Window Closed / Lapsed |