Patent US3588026A successfully refreshed from Google Patents.
US3588026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-stage form-securing system
Assignee: Individual
•
Filing: 1968-05-27
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Granted: 1971-06-28
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Expires: 1988-05-27
Abstract
Abstract A SYSTEM FOR SECURING FORMS PREPARATORY TO POURING CONCRETE, IN WHICH THE FORM STRUCTURE IS HELD IN PLACE BY FORCES TRANSFERRED THROUGH AN INNER BOLT SECTION ENGAGING AN EMBEDDED ANCHOR, AN OUTER BOLT SECTION VERTICALLY ENGAGEABLE WITH THE INNER BOLT SECTION, A CAM MOUNTED ON THE OUTER BOLT SECTION, A BRACKET SUPPORTING THE CAM AND MOVABLY MOUNTED ON THE FORM, PREFERABLY A SECONDARY INTERLOCK BETWEEN THE OUTER BOLT SECTION AND THE BRACKET, AND AN ADJUSTING DEVICE FOR APPLYING FORCES BETWEEN THE FORM AND THE BRACKET AT LARGE MECHANICAL ADVANTAGE TO GENERATE STRESS IN THE BOLT SECTION AND HOLD THE FORM FIRMLY AGAINST THE FACE OF THE SET CONCRETE OF THE PREVIOUS POUR.
Inventors
- 👤 Chester I Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:29
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/20; E04G11/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |