US1881771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic control device for oil coolers
Assignee: Borg Warner Corp
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Filing: 1930-12-22
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Granted: 1932-10-11
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Expires: 1950-12-22
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Lyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:09
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/42; F28F1/422; F28F27/00; F28F27/02; G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; F28D; F28D21/00; F28D2021/0019; F28D2021/008; F28D2021/0089
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) | 1935-10-11 | 1936-04-11 | 1936-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-11 | 1940-04-11 | 1940-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-11 | 1944-04-11 | 1944-10-11 | $7700.00 | Window Closed / Lapsed |