US2576134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric communication cable
Assignee: International Standard Electric Corp
•
Filing: 1947-08-07
•
Granted: 1951-11-27
•
Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Morley John Frederick
- 👤 Foord Stanley George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:37
CPC Classifications
H; H01; H01B; H01B11/00; H01B11/18; H01B11/1834; H01B11/1856; H01B11/186; G; G06; G06F; G06F2207/00; G06F2207/22; G06F2207/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS FOR MANUFACTURING AIR-SPACE ELECTRODE CABLE SPACING DISCS HAVING LOW LOSS CHARACTERISTICS AT HIGH FREQUENCIES AND BEING SUFFICIENTLY RESILIENT TO RESIST SUBSTANTIAL DISTORTION SUBSTANTIALLY PERMANENTLY WITHOUT CRACKING THAT COMPRISES PARTIALLY POLYMERIZING STYRENE TO PRODUCE A MIXTURE OF MONOMERIC AND POLYMERIC STYRENE, MILLING RUBBER INTO SAID MIXTURE IN A QUANTITY OF ABOUT 10% OF THE TOTAL WEIGHT OF THE MIXTURE, THEREAFTER FURTHER POLYMERIZING THE STYRENE UNTIL THE MONOMERIC STYRENE CONTENT OF THE MIXTURE IS REDUCED TO A VALUE OF 3% TO 7 1/2% OF THE TOTAL WEIGHT OF THE MIXTURE, AND THEN FORMING THIS MIXTURE INTO SPACING DISCS.
Claim 2
Dependent Claim
98 words
A PROCESS FOR MANUFACTURING AIR-SPACE ELECTRODE CABLE SPACING DISCS HAVING LOW LOSS CHARACTERISTICS AT HIGH FREQUENCIES AND BEING SUFFICIENTLY RESILIENT TO RESIST SUBSTANTIAL DISTORTION SUBSTANTIALLY PERMANENTLY WITHOUT CRACKING THAT COMPRISES PARTIALLY POLYMERIZING STYRENE TO PRODUCE A MIXTURE OF MONOMERIC AND POLYMERIC STYRENE, MILLING RUBBER INTO SAID MIXTURE IN A QUANTITY OF ABOUT 10% OF THE TOTAL WEIGHT OF THE MIXTURE, THEREAFTER FURTHER POLYMERIZING THE STYRENE UNTIL THE MONOMERIC STYRENE CONTENT OF THE MIXTURE IS REDUCED TO A VALUE OF 3% TO 7 1/2% OF THE TOTAL WEIGHT OF THE MIXTURE, AND THEN FORMING THIS MIXTURE INTO SPACING DISCS.
References Cited (Backward Citations)
US2175672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |