Patent US3249128A successfully refreshed from Google Patents.
US3249128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical belting
Assignee: Dunlop Rubber Co Ltd
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Filing: 1964-04-16
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Granted: 1966-05-03
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Lord Wilfrid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:32
CPC Classifications
D; D03; D03D; D03D3/00; D03D1/00; D03D1/0094; D03D13/00; D03D13/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A FABRIC FOR USE AS REINFORCEMENT FOR MECHANICAL BELTING, COMPRISING A SINGLE LAYER OF SUBSTANTIALLY STRAIGHT PARALLEL WEFT YARNS, A SINGLE LAYER OF SUBSTANTIALLY STRAIGHT PARALLEL WARP YARNS SUPERIMPOSED ON SAID LAYER OF WEFT YARNS WITHOUT BEING WOVEN WITH SAME, AND A PLURALITY OF LENO-WARP THREADS, EVERY OTHER LENO-WARP THREAD PASSING OVER ALTERNATE SINGLE WEFT YARNS AND UNDER INTERMEDIATE WEFT YARNS WITH INTERVENING LENO-WARP THREADS PASSING UNDER SAID ALTERNATE SINGLE WEFT YARNS AND OVER SAID INTERMEDIATE WEFT YARNS, SAID LENO-WARP THREADS CROSSING SAID SUBSTANTIALLY STRAIGHT PARALLEL WARP YARNS AT A POINT SUBSTANTIALLY ABOVE A WEFT YARN TO BIND SAID SUBSTANTIALLY STRAIGHT PARALLEL WARP YARNS TO SAID WEFT YARNS.
Claim 2
Dependent Claim
108 words
A FABRIC FOR USE AS REINFORCEMENT FOR MECHANICAL BELTING, COMPRISING A SINGLE LAYER OF SUBSTANTIALLY STRAIGHT PARALLEL WEFT YARNS, A SINGLE LAYER OF SUBSTANTIALLY STRAIGHT PARALLEL WARP YARNS SUPERIMPOSED ON SAID LAYER OF WEFT YARNS WITHOUT BEING WOVEN WITH SAME, AND A PLURALITY OF LENO-WARP THREADS, EVERY OTHER LENO-WARP THREAD PASSING OVER ALTERNATE SINGLE WEFT YARNS AND UNDER INTERMEDIATE WEFT YARNS WITH INTERVENING LENO-WARP THREADS PASSING UNDER SAID ALTERNATE SINGLE WEFT YARNS AND OVER SAID INTERMEDIATE WEFT YARNS, SAID LENO-WARP THREADS CROSSING SAID SUBSTANTIALLY STRAIGHT PARALLEL WARP YARNS AT A POINT SUBSTANTIALLY ABOVE A WEFT YARN TO BIND SAID SUBSTANTIALLY STRAIGHT PARALLEL WARP YARNS TO SAID WEFT YARNS.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |