US3071837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete forms
Assignee: Blaw Knox Co
•
Filing: 1959-10-02
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Granted: 1963-01-08
•
Expires: 1979-10-02
Abstract
No abstract record available.
Inventors
- 👤 Cerutti Henry Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:28
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/20; E04G11/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CONCRETE FORM COMPRISING, IN COMBINATION, A PANEL HAVING A PANEL FACE, A PLURALITY OF PARALLEL STRONGBACKS CONNECTED TO THE BACK OF SAID PANEL, SAID STRONGBACKS HAVING PIVOTALLY CONNECTED TAIL PORTIONS DEPENDING BELOW SAID PANEL, A TRIANGULAR SECTION TRUSS CONNECTED TO EACH STRONGBACK IN PERPENDICULAR RELATION TO SAID PANEL, EACH TRUSS HAVING A DIAGONAL MEMBER ADJUSTABLE IN OPERATIVE LENGTH TO A SUBSTANTIAL EXTENT TO SELECTIVELY ADJUST THE ANGLE OF SAID TAIL PORTIONS TO THE REMAINDER OF SAID STRONGBACKS RESPECTIVELY, SAID MEMBER BEING PIVOTALLY CONNECTED AT ONE END PORTION TO SAID TAIL PORTION OUTWARDLY SPACED THEREFROM AND THE OTHER END PORTION TO SAID PANEL, MEANS FOR POSITIONING PROSPECTIVE ANCHORING MEANS IN PROJECTING POSITION EXTENDING THROUGH THE UPPER PORTION OF SAID PANEL, AND MEANS BELOW SAID PANEL FOR ANCHORING SAID FORM IN POSITION.
Claim 2
Dependent Claim
131 words
A CONCRETE FORM COMPRISING, IN COMBINATION, A PANEL HAVING A PANEL FACE, A PLURALITY OF PARALLEL STRONGBACKS CONNECTED TO THE BACK OF SAID PANEL, SAID STRONGBACKS HAVING PIVOTALLY CONNECTED TAIL PORTIONS DEPENDING BELOW SAID PANEL, A TRIANGULAR SECTION TRUSS CONNECTED TO EACH STRONGBACK IN PERPENDICULAR RELATION TO SAID PANEL, EACH TRUSS HAVING A DIAGONAL MEMBER ADJUSTABLE IN OPERATIVE LENGTH TO A SUBSTANTIAL EXTENT TO SELECTIVELY ADJUST THE ANGLE OF SAID TAIL PORTIONS TO THE REMAINDER OF SAID STRONGBACKS RESPECTIVELY, SAID MEMBER BEING PIVOTALLY CONNECTED AT ONE END PORTION TO SAID TAIL PORTION OUTWARDLY SPACED THEREFROM AND THE OTHER END PORTION TO SAID PANEL, MEANS FOR POSITIONING PROSPECTIVE ANCHORING MEANS IN PROJECTING POSITION EXTENDING THROUGH THE UPPER PORTION OF SAID PANEL, AND MEANS BELOW SAID PANEL FOR ANCHORING SAID FORM IN POSITION.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |