US2912388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber-resin cutting pads and methods of mixing and milling rubber-resin compositions
Assignee: United Shoe Machinery Corp
•
Filing: 1956-09-07
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Granted: 1959-11-10
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Expires: 1976-09-07
Abstract
No abstract record available.
Inventors
- 👤 James F Leahy
- 👤 John P Szumski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:47
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C08L61/00; C08L61/04; C08L61/06; Y; Y10; Y10S; Y10S260/00; Y10S260/15
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A CLEAN CUTTING, WEAR RESISTANT CONDUCTIVE CUTTING PAD HAVING IMPROVED RETENTION OF CONDUCTIVITY COMPRISING A SMOOTH SURFACED BODY OF MATERIAL, SAID MATERIAL COMPRISING THE PRODUCT OF MOLDING UNDER SUFFICIENT HEAT AND PRESSURE TO EFFECT CURING A MIXTURE OF 100 PARTS BY WEIGHT OF A RUBBERY COPOLYMER, A RUBBER-REINFORCING,THERMOSETTING, SYNTHETIC RESIN, FROM 70 TO 120 PARTS BY WEIGHT OF A REINFORCING CARBON BLAC, AND FROM 2 TO 25 PARTS BY WEIGHT OF A POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF FROM 1000 TO 6000.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |