US2525978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for conditioning motors
Assignee: Individual
•
Filing: 1944-05-23
•
Granted: 1950-10-17
•
Expires: 1964-05-23
Abstract
No abstract record available.
Inventors
- 👤 John E Vallerie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:48
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/04; B; B60; B60S; B60S5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1584505A
Cited
US1656160A
Cited
US1660557A
Cited
US1889019A
Cited
US2245195A
Cited
US2222513A
Cited
US2240227A
Cited
US2201773A
Cited
US2201774A
Cited
US2281695A
Cited
US2295539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |