US1010927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic jack.
Assignee: Individual
•
Filing: 1911-06-26
•
Granted: 1911-12-05
•
Expires: 1931-06-26
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Letcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:57
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/08; E21B19/084; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/87096; Y10T137/8807; Y10T137/88078; Y10T137/88102
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) | 1914-12-04 | 1915-06-05 | 1915-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-12-04 | 1919-06-05 | 1919-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-12-04 | 1923-06-05 | 1923-12-05 | $7700.00 | Window Closed / Lapsed |