US3060957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Liquid Controls Corp
•
Filing: 1959-06-16
•
Granted: 1962-10-30
•
Expires: 1979-06-16
Abstract
No abstract record available.
Inventors
- 👤 George B Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:51
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/02; F16K1/00; F16K1/12; Y; Y10; Y10T; Y10T137/00; Y10T137/3367; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2704650A
Cited
CA528208A
Cited
US1520117A
Cited
US2378985A
Cited
US2505410A
Cited
US2688975A
Cited
US2781997A
Cited
US2852035A
Cited
US2841429A
Cited
FR1186275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |