US3142390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-erecting plant
Assignee: Standard Steel Corp
•
Filing: 1962-02-09
•
Granted: 1964-07-28
•
Expires: 1982-02-09
Abstract
No abstract record available.
Inventors
- 👤 Marvin B Preeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:49
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1009; B; B28; B28C; B28C9/00; B28C9/04; B28C9/0409; Y; Y10; Y10S; Y10S414/00; Y10S414/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR451029A
Cited
US2207303A
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US2298160A
Cited
DE872432C
Cited
US2717439A
Cited
US2805052A
Cited
US2863531A
Cited
US2984898A
Cited
US3045837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |