US2844161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure regulators
Assignee: Continental Teves AG and Co OHG
•
Filing: 1954-10-18
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Granted: 1958-07-22
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Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 Ostwald Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:38
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; G05D16/109; G05D16/107; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2189224A
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US2291229A
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US2487575A
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US2462983A
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US2416881A
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US2646070A
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US2500627A
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US2665704A
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US2615105A
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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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |