US3035955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface covering product
Assignee: Congoleum Industries Inc
•
Filing: 1959-11-02
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Granted: 1962-05-22
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Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richard S Zucker
- 👤 Edward M Katz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:49
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0052; D06N7/0055; D06N1/00; D06N7/0042; Y; Y10; Y10T; Y10T428/00; Y10T428/30; Y10T428/31504; Y10T428/3167; Y10T428/31674
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
IN AN ELECTRICALLY CONDUCTIVE LINOLEUM HAVING A RESISTANCE BETWWN 25,000 OOHMS AND 1,000,000 OHMS AS MEASURED BETWEEN TWO ELECTRODES SPACED 3 FET APART ON THE UPPER SURFACE OF SAID COVERING COMPRISING A BACKING AND BONDED THERETO A WEAR LAYER COMPPLRISIING ABOUT 15 PERCENT TO ABOUT 50 PERCENT CURED LINOLEUM BINDER, ABOUT 10 PERCENT TO ABOUT 35 PERCENT CONDUCTIVE CARBON AND THE BALANCE FILLER, THE IMPROVEMENT WHICH COMPRISSES UTILIZING AS SAID CONDUCTIVE A BLEND OF ABOUT 75 PERCENT TO ABOUT 30 PERCENT GRAPHITIC CARBON AND ABOUT 25 PERCENT TO ABOUT 70 PERCENT AMORPHOUS CARBON.
References Cited (Backward Citations)
US1875735A
Cited
US2341360A
Cited
US2287766A
Cited
US2302003A
Cited
US2325414A
Cited
US2379976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |