US3298403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire mat forming method
Assignee: Individual
•
Filing: 1965-11-24
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Granted: 1967-01-17
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Expires: 1985-11-24
Abstract
No abstract record available.
Inventors
- 👤 William D Allers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:09
CPC Classifications
B; B21; B21F; B21F27/00; B21F27/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A METHOD OF FORMING A MAT FOR USE IN PRESTRESSING CONCRETE MEMBERS, THE STEPS OF EXTENDING A SIGLE STRAND OF WIRE BACK AND FORTH BETWEEN SPACED OPPOSING SERIES OF PULLEYS, EACH PULLEY OF ONE OF SAID SERIES BEING ASSOCIATED WITH AN INDIVIDUAL MOUNTING, EACH OF SAID MOUNTINGS BEING INDEPENDENTLY ROTATABLE, URGING SAID SERIES OF PULLEYS APART WHILE SIMULTANEOUSLY HOLDING THE ENDS OF SAID WIRE AGAINST LONGITUDINAL MOVEMENT TO TENSION UNIFORMLY THE STRETCHES OF WIRE BETWEEN SAID PULLEYS, AND THEREAFTER ROTATING SAID MOUNTINGS TO TWIST ADJACENT PAIRS OF SAID STRETCHES OF WIRE TOGETHER TO FORM A MAT OF INTERCONNECTED WIRE ELEMENTS HAVING TWISTED INTERMEDIATE SECTIONS AND UNTWISTED SINGLE-STRAND END LOOPS.
Claim 2
Dependent Claim
110 words
IN A METHOD OF FORMING A MAT FOR USE IN PRESTRESSING CONCRETE MEMBERS, THE STEPS OF EXTENDING A SIGLE STRAND OF WIRE BACK AND FORTH BETWEEN SPACED OPPOSING SERIES OF PULLEYS, EACH PULLEY OF ONE OF SAID SERIES BEING ASSOCIATED WITH AN INDIVIDUAL MOUNTING, EACH OF SAID MOUNTINGS BEING INDEPENDENTLY ROTATABLE, URGING SAID SERIES OF PULLEYS APART WHILE SIMULTANEOUSLY HOLDING THE ENDS OF SAID WIRE AGAINST LONGITUDINAL MOVEMENT TO TENSION UNIFORMLY THE STRETCHES OF WIRE BETWEEN SAID PULLEYS, AND THEREAFTER ROTATING SAID MOUNTINGS TO TWIST ADJACENT PAIRS OF SAID STRETCHES OF WIRE TOGETHER TO FORM A MAT OF INTERCONNECTED WIRE ELEMENTS HAVING TWISTED INTERMEDIATE SECTIONS AND UNTWISTED SINGLE-STRAND END LOOPS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |