US2715412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasketed valve
Assignee: W K M Manufacturing Co Inc
•
Filing: 1950-11-13
•
Granted: 1955-08-16
•
Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 Clade Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:31
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/02; F16K41/04; F16K41/043; F16K41/046; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4393; Y10T137/44; Y10T137/4407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US461084A
Cited
US1197863A
Cited
US1964782A
Cited
US1992738A
Cited
US1879481A
Cited
US2043863A
Cited
US2263454A
Cited
US2393967A
Cited
US2487436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |