US2539346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift apparatus
Assignee: TOM HARLEY JR
•
Filing: 1946-05-06
•
Granted: 1951-01-23
•
Expires: 1966-05-06
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Feist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:07
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/053; A61G7/10; A61G7/1013; A61G7/1019; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1057; A61G7/1063; A61G7/1067; A61G2200/00; A61G2200/30; A61G2200/34; A61G5/00; A61G5/10; A61G5/1056; A61G5/1059
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US503105A
Cited
US1349674A
Cited
GB301958A
Cited
US2234483A
Cited
US2218883A
Cited
US2261297A
Cited
US2339007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |