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US3300939A Expired / Lapsed US ⏱️ 0.0 years remaining

Combination adjustable tie and joint reinforcement for wall constructions

Assignee: DUROWALL Inc
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Filing: 1963-10-17
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Granted: 1967-01-31
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Expires: 1983-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Brynjolfsson Wilfred
  • 👤 William H Bartlett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:30
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4178; E04B1/4185

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 229 words
A COMBINATION WALL TIE AND JOINT REINFORCEMENT STRUCTURE FOR USE IN A TWO-WYTHE WALL FORMED OF SPACED PARALLEL WYTHES EACH BUILT UP OF A PLURALITY OF HORIZONTALLY EXTENDING COURSES TO PREFORMED WALL ELEMENTS, COMPRISING: A FIRST JOINT REINFORCEMENT MEMBER INCLUDING LONGITUDINALLY EXTENDING SIDE RODS AND TRANSVERSELY EXTENDING CROSS RODS, SAID MEMBER CONSTRUTED AND ARRANGED FOR INSERTION IN THE MORTAR COURSE OF A WALL WYTHE FOR REINFORCEMENT THEREOF, SAID FIRST MEMBER HAVING A PLURALITY OF TIE CONNECTING PORTIONS EXTENDING OUTWARDLY FROM A SIDE ROD AND HAVING A CONNECTING MEANS AT THE OUTER END THEREOF, AND ARRANGED TO BE POSITIONED EXTERIORLY OF THE MORTAR COURSE OF THE ONE WYTHE FOR RECEPTION OF A CONNECTING ELEMENT; AND A PLURALITY OF DISCRETE SECOND TIE MEMBERS EACH HAVING A FIRST PORTION ARRANGED TO BE INSTALLED IN THE MORTAR COURSE OF THE OTHER WALL WYTHE AND A SECOND CONNECTING PORTION EXTENDING OUTWARDLY FROM THE FIRST PORTION IN SLIDABLE ENGAGEMENT WITH THE CONNECTING MEANS OF THE FIRST MEMBER, WHEREBY THE FIRST MEMBER MAY BE EMBEDDED IN A MORTAR COURSE OF ONE WYTHE AS THE PREFORMED ELEMENTS OF THE ONE WYTHE ARE BONDED TOGETHER AND THE PLURALITY OF SECOND MEMBERS MAY BE SUBSEQUENTLY INDEPENDENTLY CONNECTED TO THE CONNECTING PORTIONS OF THE FIRST MEMBER AS THE SECOND WYTHE IS BUILT ADJACENT THE FIRST WITH SAID SECOND MEMBERS BEING EMBEDDED IN A CORRESPONDING MORTAR COURSE OF THE SECOND WYTHE.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-30 1970-08-01 1971-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-30 1974-08-01 1975-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-30 1978-08-01 1979-01-31 $7700.00 Window Closed / Lapsed

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