Patent US2015674A successfully refreshed from Google Patents.
US3202387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Woven wire conveyor belt
Assignee: Cambridge Wire Cloth Co
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Filing: 1963-12-06
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Granted: 1965-08-24
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Donald E Andrews
- 👤 Fred L Hooper
- 👤 Charles W Whaples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:54
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/48; B65G15/54; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CORDUROY WEAVE WIRE BELT COMPRISING: A PLURALITY OF HELICALLY COILED PSIRALS, THE SPRIALS COMPRISING SPRIALS OF RIGH-HAND TWIST AND LEFT-HAND TWIST OF APPROXIMATELY EQUAL PITCH POSITIONED ALTERNATELY IN A NESTED RELATION; AND A PLURALITY OF CONNECTING RODS EXTENDING LENGTHWISE THROUGH THE SPIRALS, EACH OF THE SPRIALS HAVING AN EVEN NUMBER OF RODS EXTENDING THERETHROUGH AND THE NUMBER BEING AT LEAST FOUR, EACH ROD BEING TRANSVERSELY NOTCED AND EACH ROD HAVING THE RIGHT-HAND TWIST AND THE LEFT-HAND TWIST SPRIALS ALTERNATELY HINGED THEREON ACROSS THE LENGTH OF THE ROD IN THE NOTCHES SO AS TO MAINTAIN A STRAIGHT-TRACKING BELT.
Claim 2
Dependent Claim
98 words
A CORDUROY WEAVE WIRE BELT COMPRISING: A PLURALITY OF HELICALLY COILED PSIRALS, THE SPRIALS COMPRISING SPRIALS OF RIGH-HAND TWIST AND LEFT-HAND TWIST OF APPROXIMATELY EQUAL PITCH POSITIONED ALTERNATELY IN A NESTED RELATION; AND A PLURALITY OF CONNECTING RODS EXTENDING LENGTHWISE THROUGH THE SPIRALS, EACH OF THE SPRIALS HAVING AN EVEN NUMBER OF RODS EXTENDING THERETHROUGH AND THE NUMBER BEING AT LEAST FOUR, EACH ROD BEING TRANSVERSELY NOTCED AND EACH ROD HAVING THE RIGHT-HAND TWIST AND THE LEFT-HAND TWIST SPRIALS ALTERNATELY HINGED THEREON ACROSS THE LENGTH OF THE ROD IN THE NOTCHES SO AS TO MAINTAIN A STRAIGHT-TRACKING BELT.
References Cited (Backward Citations)
US1282171A
Cited
US2147328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |