US3286419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional hold-down anchor device
Assignee: Superior Concrete Accessories Inc
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Filing: 1963-12-26
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Granted: 1966-11-22
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 George J Eriksson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:51
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/16; E04C5/18; E04C5/08; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/3488; Y10T403/00; Y10T403/55; Y10T403/556
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
260 words
AS A NEW ARTICLE OF MANUFACTURE, A COMPOSITE SECTIONAL HOLD-DOWN ANCHOR DEVICE FOR POSITIONING THE TENSIONING CABLES OF A PRESTRESSED CONCRETE BEAM WITHIN A BEAM FORM PREPARATORY TO CONCRETE POURING OPERATIONS, SAID ANCHOR DEVICE COMPRISING TWO UPPER AND LOWER BODY CASTINGS OF IDENTICAL SIZE AND CONFIGURATION, AND A CONNECTOR PART, EACH OF SAID TWO BODY CASTINGS COMPRISING A TUBULAR HUB PORTION FROM WHICH THERE EXTEND IN RADIAL FASHION ON OPPOSITE SIDES THEREOF A PAIR OF SIDE WINGS, SAID SIDE WINGS BEING FORMED WITH OPEN-ENDED NOTCHES WHICH EXTEND INWARDLY AND UPWARDLY TOWARD THE HUB PORTION FOR RECEPTION THEREIN OF RESPECTIVE TENSIONING CABLES AND FOR ASSIMILATIONOF THE UPWARD THRUST OF SUCH CABLES WHEN THE SAME ARE DRAWN TAUT, SAID TUBULAR HUB BEING FORMED WITH INTERNAL CONTOUR THREADS, SAID CONNECTOR CASTING BEING IN THE FORM OF AN ELONGATED ROD HAVING EXTERNAL CONTOUR THREADS THEREON, SAID BODY CASTINGS BEING DISPOSED IN COAXIAL END-TO-END ABUTTING RELATIONSHIP WITH THEIR SIDE WINGS EXTENDING IN COPLANAR RELATIONSHIP AND WITH THE LOWER OPEN RIM OF THE UPPER BODY CASTING BEARING AGAINST THE UPPER OPEN RIM OF THE LOWER BODY CASTING SO THAT THE CONTOUR THREADS OF THE TWO BODY CASTINGS, IN EFFECT, ARE CONTINUOUS FROM ONE CASTING TO THE OTHER, SAID CONNECTOR PART BEING IN THE FORM OF A THREADED ROD AND HAVING A PORTION THEREOF THREADEDLY AND TELESCOPICALLY RECEIVED IN THE LOWER END OF THE UPPER BODY CASTING AND HAVING ANOTHER PORTION THEREOF THREADEDLY AND TELESCOPICALLY RECEIVED IN THE UPPER END OF THE LOWER BODY CASTING AND SERVING TO DRAW THE TWO BODY CASTINGS HARD AGAINST EACH OTHER.
Claim 2
Dependent Claim
260 words
AS A NEW ARTICLE OF MANUFACTURE, A COMPOSITE SECTIONAL HOLD-DOWN ANCHOR DEVICE FOR POSITIONING THE TENSIONING CABLES OF A PRESTRESSED CONCRETE BEAM WITHIN A BEAM FORM PREPARATORY TO CONCRETE POURING OPERATIONS, SAID ANCHOR DEVICE COMPRISING TWO UPPER AND LOWER BODY CASTINGS OF IDENTICAL SIZE AND CONFIGURATION, AND A CONNECTOR PART, EACH OF SAID TWO BODY CASTINGS COMPRISING A TUBULAR HUB PORTION FROM WHICH THERE EXTEND IN RADIAL FASHION ON OPPOSITE SIDES THEREOF A PAIR OF SIDE WINGS, SAID SIDE WINGS BEING FORMED WITH OPEN-ENDED NOTCHES WHICH EXTEND INWARDLY AND UPWARDLY TOWARD THE HUB PORTION FOR RECEPTION THEREIN OF RESPECTIVE TENSIONING CABLES AND FOR ASSIMILATIONOF THE UPWARD THRUST OF SUCH CABLES WHEN THE SAME ARE DRAWN TAUT, SAID TUBULAR HUB BEING FORMED WITH INTERNAL CONTOUR THREADS, SAID CONNECTOR CASTING BEING IN THE FORM OF AN ELONGATED ROD HAVING EXTERNAL CONTOUR THREADS THEREON, SAID BODY CASTINGS BEING DISPOSED IN COAXIAL END-TO-END ABUTTING RELATIONSHIP WITH THEIR SIDE WINGS EXTENDING IN COPLANAR RELATIONSHIP AND WITH THE LOWER OPEN RIM OF THE UPPER BODY CASTING BEARING AGAINST THE UPPER OPEN RIM OF THE LOWER BODY CASTING SO THAT THE CONTOUR THREADS OF THE TWO BODY CASTINGS, IN EFFECT, ARE CONTINUOUS FROM ONE CASTING TO THE OTHER, SAID CONNECTOR PART BEING IN THE FORM OF A THREADED ROD AND HAVING A PORTION THEREOF THREADEDLY AND TELESCOPICALLY RECEIVED IN THE LOWER END OF THE UPPER BODY CASTING AND HAVING ANOTHER PORTION THEREOF THREADEDLY AND TELESCOPICALLY RECEIVED IN THE UPPER END OF THE LOWER BODY CASTING AND SERVING TO DRAW THE TWO BODY CASTINGS HARD AGAINST EACH OTHER.
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |