US2716418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic drain valve
Assignee: International Motors LLC
•
Filing: 1950-12-29
•
Granted: 1955-08-30
•
Expires: 1970-12-29
Abstract
No abstract record available.
Inventors
- 👤 William F Borgerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:49
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/07; F24; F24D; F24D19/00; F24D19/0095; F24F; F24F5/00; F24F5/0007; F24F5/001; Y; Y10; Y10T; Y10T137/00; Y10T137/1189; Y10T137/1298; Y10T137/8158; Y10T137/8225; Y10T137/8242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1971459A
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US2214844A
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US2301876A
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US2487852A
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US2466460A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |