US3019811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relief valve embodying anti-vibration structure
Assignee: KUNKLE VALVE Co
•
Filing: 1958-03-10
•
Granted: 1962-02-06
•
Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Maurice W Young
- 👤 Albert C Schrimshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:43
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/08; B60G15/12; B60G17/00; B60G17/015; B60G17/0152; B60G17/0155; B60G17/02; B60G17/04; F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/08; F16K17/082; F22; F22B; F22B37/00; F22B37/02; F22B37/42; F22B37/44; F22B37/446; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7744; Y10T137/7745; Y10T137/7747; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7934
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2344896A
Cited
US2667892A
Cited
US2615069A
Cited
US2754842A
Cited
US2868499A
Cited
US2834372A
Cited
US2888233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |