US1870244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting jack
Assignee: Individual
•
Filing: 1928-10-29
•
Granted: 1932-08-09
•
Expires: 1948-10-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Elston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:30
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/02; B66F3/06; Y; Y10; Y10S; Y10S254/00; Y10S254/06
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) | 1935-08-09 | 1936-02-08 | 1936-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-09 | 1940-02-08 | 1940-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-09 | 1944-02-08 | 1944-08-09 | $7700.00 | Window Closed / Lapsed |