US3300939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination adjustable tie and joint reinforcement for wall constructions
Assignee: DUROWALL Inc
•
Filing: 1963-10-17
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Granted: 1967-01-31
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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
2026-10-30 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.
References Cited (Backward Citations)
US524531A
Cited
US779268A
Cited
US809231A
Cited
US963778A
Cited
US1946732A
Cited
US1959176A
Cited
US1998733A
Cited
GB437965A
Cited
US2089495A
Cited
US2248348A
Cited
US2300181A
Cited
GB576569A
Cited
US2705887A
Cited
DE949306C
Cited
US2929238A
Cited
CH574399A5
Cited
CH574984A5
Cited
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 |