US3216162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing members for prestressed concrete anchorages
Assignee: Prescon Corp
•
Filing: 1960-05-26
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Granted: 1965-11-09
•
Expires: 1980-05-26
Abstract
No abstract record available.
Inventors
- 👤 Loris L Gerber
- 👤 Karl H Middendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:43
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/08; E04C5/12; E04C5/125; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A POST-TENSIONED PRESTRESSED CONCRETE STRUCTURE, THE COMBINATION WITH TENSION MEMBERS OF ANCHORING MEANS THEREFOR COMPRISING AN ANCHOR MEMBER CONNECTED WITH SAID TENSION MEMBERS TO TRANSFER THRUST FROM THE STRESSED TENSION MEMBERS TO SAID ANCHOR MEMBER, A TUBULAR BEARING MEMBER RECTANGULAR IN CROSS SECTION EMBEDDED IN SAID CONCRETE, SAID BEARING MEMBER BEING ELONGATED LONGITUDINALLY OF SAID TENSION MEMBERS AND SAID TENSION MEMBERS EXTENDING THERETHROUGH, AND MEANS FOR EXERTING THRUST AGAINST THE OUTER END OF SAID BEARING MEMBER BY SAID ANCHOR MEMBER COMPRISING SPACING MEANS BETWEEN SAID ANCHOR MEMBER AND SAID BEARING MEMBER, SAID BEARING MEMBER HAVING EXTERNAL SIDE BY SIDE PARALLEL RIBS OF UNIFORM HEIGHT V-SHAPED IN CROSS SECTION THEREON EXTENDING TRANSVERSELY OF THE LENGTH OF SAID TENSION MEMBERS, SAID RIBS HAVING FLAT BEARING FACES ON ONE SIDE OF EACH THEREOF DIRECTED TOWARD THE INNER END OF SAID BEARING
Claim 2
Dependent Claim
139 words
IN A POST-TENSIONED PRESTRESSED CONCRETE STRUCTURE, THE COMBINATION WITH TENSION MEMBERS OF ANCHORING MEANS THEREFOR COMPRISING AN ANCHOR MEMBER CONNECTED WITH SAID TENSION MEMBERS TO TRANSFER THRUST FROM THE STRESSED TENSION MEMBERS TO SAID ANCHOR MEMBER, A TUBULAR BEARING MEMBER RECTANGULAR IN CROSS SECTION EMBEDDED IN SAID CONCRETE, SAID BEARING MEMBER BEING ELONGATED LONGITUDINALLY OF SAID TENSION MEMBERS AND SAID TENSION MEMBERS EXTENDING THERETHROUGH, AND MEANS FOR EXERTING THRUST AGAINST THE OUTER END OF SAID BEARING MEMBER BY SAID ANCHOR MEMBER COMPRISING SPACING MEANS BETWEEN SAID ANCHOR MEMBER AND SAID BEARING MEMBER, SAID BEARING MEMBER HAVING EXTERNAL SIDE BY SIDE PARALLEL RIBS OF UNIFORM HEIGHT V-SHAPED IN CROSS SECTION THEREON EXTENDING TRANSVERSELY OF THE LENGTH OF SAID TENSION MEMBERS, SAID RIBS HAVING FLAT BEARING FACES ON ONE SIDE OF EACH THEREOF DIRECTED TOWARD THE INNER END OF SAID BEARING
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |