US3065763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomer plug dual valve
Assignee: Individual
•
Filing: 1960-07-13
•
Granted: 1962-11-27
•
Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 Frank A Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:39
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; F16K15/202; B; B60; B60C; B60C29/00; B60C29/007; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/8593; Y10T137/86493; Y10T137/86509; Y10T137/86517; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10522; Y10T152/10576; Y10T152/10594
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2295457A
Cited
US2549075A
Cited
US2969824A
Cited
US2964084A
Cited
US2936017A
Cited
US2933120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |