Patent US2667238A successfully refreshed from Google Patents.
US2667238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling means for dynamometers
Assignee: Clayton Manufacturing Co
•
Filing: 1946-02-25
•
Granted: 1954-01-26
•
Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 Harold L Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:03
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/16; G01L3/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB191111267A
Cited
US1743409A
Cited
US1915547A
Cited
GB466436A
Cited
US2116992A
Cited
US2152489A
Cited
US2185491A
Cited
US2144010A
Cited
US2102181A
Cited
US2189189A
Cited
US2428005A
Cited
US2452550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |