US2867238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary distributing valve for a motor vehicle heating and ventilating system
Assignee: Daimler Benz AG
•
Filing: 1953-07-16
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Granted: 1959-01-06
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Expires: 1973-07-16
Abstract
No abstract record available.
Inventors
- 👤 Wilfert Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:26
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00664; B60H1/00671; B60H1/00678; F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/052; F16K11/0525; B60H2001/00714; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86863
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1251453A
Cited
US1579140A
Cited
GB362953A
Cited
US1977351A
Cited
US2164057A
Cited
US2287867A
Cited
US2390026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |