US2430758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic lifting apparatus
Assignee: CRISE ELECTRIC Manufacturing Co
•
Filing: 1944-11-18
•
Granted: 1947-11-11
•
Expires: 1964-11-18
Abstract
No abstract record available.
Inventors
- 👤 George W Crise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:41
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/02; H02K33/04; F; F23; F23N; F23N3/00; F23N3/005; H02K33/06
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |