US2834372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: KUNKLE VALVE Co
•
Filing: 1955-06-08
•
Granted: 1958-05-13
•
Expires: 1975-06-08
Abstract
No abstract record available.
Inventors
- 👤 Maurice W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:35
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7744; Y10T137/7745; Y10T137/7747
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US871775A
Cited
US1648124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |