US2854698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pressure-sensitive, unsupported, organosilicon rubber tape
Assignee: Dow Silicones Corp
•
Filing: 1956-04-23
•
Granted: 1958-10-07
•
Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 Delmar C Youngs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:54
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C09; C09J; C09J7/00; C09J7/10; C08G; C08G77/00; C08G77/04; C08G77/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD OF PREPARING A PRESSURE-SENSITIVE, UNSUPPORTED, SILICONE RUBBER TAPE WHICH COMPRISES HEATING A SHEET OF RAW, UNVULCANIZED SILICONE RUBBER ON ONE SIDE AT A TEMPERATURE OF FROM 350 TO 425*F. FOR FROM 5 TO 30 SECONDS WHILE SIMULTANEOUSLY COOLING THE OPPOSITE SIDE OF THE SILICONE RUBBER SHEET AT A TEMPERATURE BELOW 100*F.
Claim 2
Independent Claim
53 words
THE METHOD OF PREPARING A PRESSURE-SENSITIVE, UNSUPPORTED, SILICONE RUBBER TAPE WHICH COMPRISES HEATING A SHEET OF RAW, UNVULCANIZED SILICONE RUBBER ON ONE SIDE AT A TEMPERATURE OF FROM 350 TO 425*F. FOR FROM 5 TO 30 SECONDS WHILE SIMULTANEOUSLY COOLING THE OPPOSITE SIDE OF THE SILICONE RUBBER SHEET AT A TEMPERATURE BELOW 100*F.
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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |