Patent US3427554A successfully refreshed from Google Patents.
US3036985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a siloxane copolymer
Assignee: Dow Silicones Corp
•
Filing: 1954-10-06
•
Granted: 1962-05-29
•
Expires: 1974-10-06
Abstract
No abstract record available.
Inventors
- 👤 William H Daudt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:59
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/70
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
A VULCANIZED ELASTOMERIC COMPOSITION CONSISTING ESSENTIALLY OF (1) AN ORGANOPOLYSILOXANE IN WHICH AT LEAST 50 MOL PERCENT OF THE POLYMER UNITS ARE DIMETHYLSILOXANE UNITS, ANY REMAINING POLYMER UNITS BEING OF THE FORMULA
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |