US2958508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for lifting heavy equipment
Assignee: Individual
•
Filing: 1955-05-23
•
Granted: 1960-11-01
•
Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Martinez Miguel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:56
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F7/00; B66F7/02; B66F7/04; E; E02; E02F; E02F9/00; E02F9/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2147030A
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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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |