US3489465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve
Assignee: Studebaker Worthington Inc
•
Filing: 1966-08-22
•
Granted: 1970-01-13
•
Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Richard C Bueler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:52
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/18; B60T8/1812; B60T8/1831; B60T8/26; B60T8/28; B60T8/282; Y; Y10; Y10T; Y10T137/00; Y10T137/0753
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2218194A
Cited
US3143379A
Cited
US3143125A
Cited
US3147045A
Cited
US3147046A
Cited
US3252740A
Cited
US3398757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |