Patent US3292336A successfully refreshed from Google Patents.
US3292336A
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Reversible wall tie
Assignee: DUROWALL Inc
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Filing: 1963-10-17
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Granted: 1966-12-20
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Expires: 1983-10-17
Abstract
No abstract record available.
Inventors
- 👤 Brynjolfsson Wilfred
- 👤 William H Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:04
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4178; E04B1/4185; C; C02; C02F; C02F1/00; C02F1/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
181 words
A REVERSIBLE WALL TIE FOR COSECURING SPACED WYTHES FORMED FOR HORIZONTAL COURSES OF BLOCK ELEMENTS SECURED TOGETHER BY CEMENTING MEANS, COMPRISING: A MALE MEMBER HAVING A BASE PORTION SUBSTANTIALLY DISPOSED IN A SINGLE PLANE FOR INSTALLATION IN THE CEMENTING MEANS BETWEEN A SINGLE PAIR OF COURSES OF ONE WALL WYTHE WITH ELONGATED MEANS EXTENDING FROM THE BASE PORTION INTO THE SPACE BETWEEN SAID WYTHES, AND A MALE CONNECTOR INCLUDING A LOOP HAVING UPPER AND LOWER OUTER PORTIONS CONNECTED TO SAID ELONGATED MEANS AND INNER PORTION EXTENDING SUBSTANTIALLY RECTILINEARLY BETWEEN SAID OUTER PORTIONS PERPENDICULARLY TO THE PLANE OF THE BASE PORTION TO BE DISPOSED SUBSTANTIALLY VERTICAL IN SAID SPACE BETWEEN SAID WYTHES; AND A FEMALE MEMBER HAVING A BASE PORTION FOR INSTALLATION IN THE CEMENTING MEANS BETWEEN COURSES OF THE OTHER WALL WYTHE WITH ELONGATED MEANS EXTENDING FROM THE BALL PORTION INTO SAID SPACE BETWEEN SAID WYTHES, AND A FEMALE CONNECTOR INCLUDING A TURNED DISTAL END OF SAID ELONGATED MEANS SLIDABLY ENGAGING SAID INNER PORTION OF THE MALE MEMBER FOR INTERLOCKED RELATIONSHIP THEREWITH AT SUBSTANTIALLY ANY POINT ALONG THE VERTICAL ENTENT THEREOF.
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |