Patent US2671249A successfully refreshed from Google Patents.
US2671249A
Expired / Lapsed
US
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Fiber working unit
Assignee: Dayton Rubber Co
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Filing: 1949-11-12
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Granted: 1954-03-09
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Expires: 1969-11-12
Abstract
No abstract record available.
Inventors
- 👤 Rockoff Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:52
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; D01H5/80; D01H5/86; D01H2700/00; D01H2700/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A FIBER WORKING UNIT FOR TEXTILE MANCHINES HAVING A SURFACE LAYER COMPRISING A VULCANIZED SYNTHETIC RUBBER HAVING INTIMATELY INCORPORATED THEREIN WHITE FACTICE IN THE PROPORTION OF 5 TO 50 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE SYNTHETIC RUBBER.
Claim 2
Dependent Claim
41 words
A FIBER WORKING UNIT FOR TEXTILE MANCHINES HAVING A SURFACE LAYER COMPRISING A VULCANIZED SYNTHETIC RUBBER HAVING INTIMATELY INCORPORATED THEREIN WHITE FACTICE IN THE PROPORTION OF 5 TO 50 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE SYNTHETIC RUBBER.
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) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |