US3331178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire mat
Assignee: —
•
Filing: —
•
Granted: 1967-07-18
•
Expires: 1984-07-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:58
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/02; B28B23/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PRE-FORMED WIRE MAT FOR USE IN PRESTRESSING CONCRETE MEMBERS COMPRISING A STRAND OF WIRE EXTENDING BETWEEN SPACED POINTS ALONG A PAIR OF SPACED PARALLEL LINES TO DEFINE A PLURALITY OF STRETCHES OF WIRE OF SUBSTANTIALLY IDENTICAL LENGTH, ADJACENT STRETCHES OF SAID WIRE HAVING INTERMEDIATE PORTIONS THEREOF TWISTED TOGETHER TO PROVIDE A PLURALITY OF PARALLEL DOUBLE-STRAND INTERMEDIATE SECTIONS, ALL OF THE DOUBLE-STRAND INTERMEDIATE SECTIONS OF SAID MAT HAVING AN IDENTICAL NUMBER OF TWISTS, EACH OF SAID INTERMEDIATE SECTIONS HAVING THE TWISTS THEREOF EXTENDING IN THE SAME ROTATIVE DIRECTION AND COMPRISING AN IDENTICAL NUMBER OF TWISTS OF EACH OF THE WIRES FORMING SUCH
Claim 2
Dependent Claim
102 words
A PRE-FORMED WIRE MAT FOR USE IN PRESTRESSING CONCRETE MEMBERS COMPRISING A STRAND OF WIRE EXTENDING BETWEEN SPACED POINTS ALONG A PAIR OF SPACED PARALLEL LINES TO DEFINE A PLURALITY OF STRETCHES OF WIRE OF SUBSTANTIALLY IDENTICAL LENGTH, ADJACENT STRETCHES OF SAID WIRE HAVING INTERMEDIATE PORTIONS THEREOF TWISTED TOGETHER TO PROVIDE A PLURALITY OF PARALLEL DOUBLE-STRAND INTERMEDIATE SECTIONS, ALL OF THE DOUBLE-STRAND INTERMEDIATE SECTIONS OF SAID MAT HAVING AN IDENTICAL NUMBER OF TWISTS, EACH OF SAID INTERMEDIATE SECTIONS HAVING THE TWISTS THEREOF EXTENDING IN THE SAME ROTATIVE DIRECTION AND COMPRISING AN IDENTICAL NUMBER OF TWISTS OF EACH OF THE WIRES FORMING SUCH
References Cited (Backward Citations)
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Cited
US659416A
Cited
US656024A
Cited
US907024A
Cited
US1661642A
Cited
US1692166A
Cited
US3025890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |