US2577874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jack with bladder motor
Assignee: Individual
•
Filing: 1950-12-04
•
Granted: 1951-12-11
•
Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 Carnahan Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:47
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/10; B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |