Patent US2570009A successfully refreshed from Google Patents.
US2570009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle valve for fluid actuated rotary tools
Assignee: Reed Roller Bit Co
•
Filing: 1948-06-19
•
Granted: 1951-10-02
•
Expires: 1968-06-19
Abstract
No abstract record available.
Inventors
- 👤 Paul E Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:33
CPC Classifications
F; F16; F16K; F16K5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1270808A
Cited
US1735176A
Cited
US1727718A
Cited
US2082959A
Cited
US2246648A
Cited
US2257892A
Cited
US2357334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |