US2870639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gripper and jack assembly for platforms and supporting columns
Assignee: Delong Corp
•
Filing: 1953-06-02
•
Granted: 1959-01-27
•
Expires: 1973-06-02
Abstract
No abstract record available.
Inventors
- 👤 George E Suderow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:04
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/04; E02B17/08; E02B17/0836; E02B17/0854; B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/30; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1565; Y10T74/1587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2612671A
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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) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |