Patent US3132065A successfully refreshed from Google Patents.
US3132065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductive surface coverings and method of manufacture
Assignee: Armstrong World Industries Inc
•
Filing: 1960-08-09
•
Granted: 1964-05-05
•
Expires: 1980-08-09
Abstract
No abstract record available.
Inventors
- 👤 Imre J Barsy
- 👤 Robert P Desch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:49
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0042; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/2418; Y10T442/2426
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A RESLILENT, MONOLITHIC, DECORATIVE SURFACE COVERING CHARACTERIZED BY BEING SEMICONDUCTIVE AND CAPABLE OF DISSIPATING STATIC ELECTRICITY, SAID COVERING BEING COMPRISED OF A CONTINUOUS THERMOPLASTIC WEAR LAYER OF SUBSTANTIALLY NONCONDUCTIVE PLASTICIZED VINYL RESIN HAVING A MAXIMUM THICKNESS OF ABOUT 20 MILS AND A BACKING FELT PROVIDED WITH A CONTINUOUS, CONDUCTIVE PRIME COAT, SAID PRIME COAT CONTAINING ELECTRICALLY CONDUCTIVE HIGH STRUCTURE FURNACE CARBON OF FINE PARTICLE SIZE IN AN AMOUNT SUFFICIENT TO IMPART A SURFACE RESISTIVITY GREATER THAN 25,000 OHMS BUT LESS THAN 10* OHMS TO SAID PRIME COAT.
References Cited (Backward Citations)
GB371812A
Cited
US2341360A
Cited
US2287755A
Cited
US2325414A
Cited
US2589502A
Cited
US2729770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |