US3049786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making prestressed structural members
Assignee: Individual
•
Filing: 1958-05-28
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Granted: 1962-08-21
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Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Cordis W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:38
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/08; B; B28; B28B; B28B1/00; B28B1/08; B28B1/084; B28B23/00; B28B23/02; B28B23/022; B28B23/024; B28B23/04; B28B23/06
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |