US1446774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling apparatus for locomotive jacks
Assignee: Whiting Corp
•
Filing: 1920-12-09
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Granted: 1923-02-27
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Expires: 1940-12-09
Abstract
No abstract record available.
Inventors
- 👤 John S Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:42
CPC Classifications
B; B61; B61K; B61K5/00; B66; B66F; B66F7/00; B66F7/02; B66F7/025
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) | 1926-02-26 | 1926-08-28 | 1927-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-02-26 | 1930-08-28 | 1931-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-02-26 | 1934-08-28 | 1935-02-27 | $7700.00 | Window Closed / Lapsed |