US2635085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for protecting electrical equipment comprising polyvinyl chloride, a pitch, and a plasticizer
Assignee: Rhone Poulenc SA
•
Filing: 1948-12-08
•
Granted: 1953-04-14
•
Expires: 1968-12-08
Abstract
No abstract record available.
Inventors
- 👤 Gonnard Jean Louis
- 👤 Lahousse Joseph Edouar Gustave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:30
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/443; Y; Y10; Y10S; Y10S260/00; Y10S260/47; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31935; Y10T442/00; Y10T442/20; Y10T442/2213; Y10T442/2475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
AN INSULATING AND MOISTURE-PROOFING COMPOSITION CONSISTING ESSENTIALLY OF POLYVINYL CHLORIDE FROM 40 TO 50% BY WEIGHT, SOFT GASWORKS PITCH FROM 25 TO 35% BY WEIGHT AND PLASTICISER FROM 15 TO 35% BY WEIGHT.
Claim 2
Dependent Claim
33 words
AN INSULATING AND MOISTURE-PROOFING COMPOSITION CONSISTING ESSENTIALLY OF POLYVINYL CHLORIDE FROM 40 TO 50% BY WEIGHT, SOFT GASWORKS PITCH FROM 25 TO 35% BY WEIGHT AND PLASTICISER FROM 15 TO 35% BY WEIGHT.
References Cited (Backward Citations)
US2093087A
Cited
US2312058A
Cited
US2322903A
Cited
US2370046A
Cited
GB602582A
Cited
US2413163A
Cited
US2461004A
Cited
US2464263A
Cited
US2464219A
Cited
US2556451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |