US3063298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operator for rotary valve
Assignee: Individual
•
Filing: 1959-11-09
•
Granted: 1962-11-13
•
Expires: 1979-11-09
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:24
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/50; F16K31/502; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18688; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492; Y10T74/20504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US298738A
Cited
US2414032A
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US2567035A
Cited
US2809011A
Cited
US2704947A
Cited
US2851959A
Cited
US2815922A
Cited
US2908182A
Cited
US2885904A
Cited
US2930252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |