US2723108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Diamond Shamrock Corp
•
Filing: 1951-02-24
•
Granted: 1955-11-08
•
Expires: 1971-02-24
Abstract
No abstract record available.
Inventors
- 👤 Wilburn J Butler
- 👤 Maurice C Sullender
- 👤 Chester C Brumbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:58
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/103; C; C01; C01D; C01D1/00; C01D1/04; F16L53/00; F16L53/30; F16L53/35; F16L53/38; F16L53/70; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1812
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1817214A
Cited
US1906636A
Cited
US1945549A
Cited
US1949374A
Cited
US2257727A
Cited
US2320506A
Cited
US2439592A
Cited
FR919082A
Cited
US2483082A
Cited
US2508988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |