US1253201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-regulating device.
Assignee: Westinghouse Electric Corp
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Filing: 1914-03-30
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Granted: 1918-01-15
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Expires: 1934-03-30
Abstract
No abstract record available.
Inventors
- 👤 Carl B Auel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/2754
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) | 1921-01-14 | 1921-07-16 | 1922-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-01-14 | 1925-07-16 | 1926-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-01-14 | 1929-07-16 | 1930-01-15 | $7700.00 | Window Closed / Lapsed |