US2872155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for rotatable plug valve
Assignee: Neptune Meter Co
•
Filing: 1953-09-22
•
Granted: 1959-02-03
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Charles S Hazard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:31
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/16; F16K5/162; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE22455E
Cited
US2064765A
Cited
US2034291A
Cited
US2114673A
Cited
US2128071A
Cited
US2104151A
Cited
US2144305A
Cited
US2152810A
Cited
US2329788A
Cited
US2327425A
Cited
US2383549A
Cited
US2748605A
Cited
US2705609A
Cited
US2749082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |