US1800640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing instrument
Assignee: White Motor Co
•
Filing: 1929-03-28
•
Granted: 1931-04-14
•
Expires: 1949-03-28
Abstract
No abstract record available.
Inventors
- 👤 Jehle Ferdinand
- 👤 William R Spiller
- 👤 Harold M King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:25
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/04; F02M11/00; F02M11/06; F02M3/00; F02M3/08; F02M7/00; F02M7/12; G; G01; G01F; G01F9/00; G01F9/02; G01F9/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-04-13 | 1934-10-13 | 1935-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-04-13 | 1938-10-13 | 1939-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-04-13 | 1942-10-13 | 1943-04-14 | $7700.00 | Window Closed / Lapsed |