US3479095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportioning valve
Assignee: Bendix Corp
•
Filing: 1967-12-29
•
Granted: 1969-11-18
•
Expires: 1987-12-29
Abstract
No abstract record available.
Inventors
- 👤 Richard L Lewis
- 👤 Donald W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:38
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/18; B60T8/1837; B60T8/185; B60T8/26; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87217; Y10T137/87225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2921033A
Cited
GB911096A
Cited
US3233947A
Cited
US3209656A
Cited
US3237997A
Cited
US3379479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |