US2669485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller skate wheel
Assignee: Uniroyal Inc
•
Filing: 1952-08-12
•
Granted: 1954-02-16
•
Expires: 1972-08-12
Abstract
No abstract record available.
Inventors
- 👤 Ferris E Newman
- 👤 William T Pearl
- 👤 Edwin T Rainier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:50
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22; Y; Y10; Y10S; Y10S260/00; Y10S260/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A ROLER SKATE WHEEL COMPRISING AN ANNULAR BODY HAVING AN AXIAL OPENING FOR RECEIVING A ROLLER SKATE WHEEL BEARING, SAID BODY BEING MADE OF FROM 35 TO 60 PARTS OF A RUBBERY BUTADIENEACRYLONITRILE COPOLYMER CONTAINING FROM 15 TO 45% OF ACRYLONITRILE BLENDED WITH CORRESPONDINGLY FROM 65 TO 40 PARTS OF A CASHEW NUT SHELL OIL MODIFIED PHENOL-FORMALDEHYDE RESIN, AND CONTAINING A SMALL AMOUNT OF CRYOLITE TO PREVENT STATIC ELECTRICAL CHARGES, SAID COMPOSITION BEING CURED TO THE INSOLUBLE, INFUSIBLE STATE.
Claim 2
Dependent Claim
79 words
A ROLER SKATE WHEEL COMPRISING AN ANNULAR BODY HAVING AN AXIAL OPENING FOR RECEIVING A ROLLER SKATE WHEEL BEARING, SAID BODY BEING MADE OF FROM 35 TO 60 PARTS OF A RUBBERY BUTADIENEACRYLONITRILE COPOLYMER CONTAINING FROM 15 TO 45% OF ACRYLONITRILE BLENDED WITH CORRESPONDINGLY FROM 65 TO 40 PARTS OF A CASHEW NUT SHELL OIL MODIFIED PHENOL-FORMALDEHYDE RESIN, AND CONTAINING A SMALL AMOUNT OF CRYOLITE TO PREVENT STATIC ELECTRICAL CHARGES, SAID COMPOSITION BEING CURED TO THE INSOLUBLE, INFUSIBLE STATE.
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) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |