US2685294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide range flow rate metering valve
Assignee: Individual
•
Filing: 1949-04-11
•
Granted: 1954-08-03
•
Expires: 1969-04-11
Abstract
No abstract record available.
Inventors
- 👤 Gold Harold
- 👤 David M Straight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:25
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/52; F16K1/54; Y; Y10; Y10T; Y10T137/00; Y10T137/0318
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US697093A
Cited
US850622A
Cited
US1401468A
Cited
DE443212C
Cited
US1680936A
Cited
DE493909C
Cited
US1768582A
Cited
CH155290A
Cited
US2106300A
Cited
US2388457A
Cited
US2541176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |