US2710019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid flow control valve
Assignee: Buckeyc Iron & Brass Works
•
Filing: 1951-02-19
•
Granted: 1955-06-07
•
Expires: 1971-02-19
Abstract
No abstract record available.
Inventors
- 👤 Richard C Reasoner
- 👤 Orville C Helfinstine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:03
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; B67D7/44; B67D7/46; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/773; Y10T137/8593; Y10T137/86928; Y10T137/86936; Y10T137/86944; Y10T137/86984
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL55183C
Cited
US1998913A
Cited
US2320033A
Cited
US2329426A
Cited
US2540941A
Cited
US2630832A
Cited
US2626632A
Cited
US2633866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |