US3246048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosiloxane-polyether urethanes
Assignee: Dow Silicones Corp
•
Filing: 1962-09-14
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Granted: 1966-04-12
•
Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 Loren A Haluska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
C; C08; C08G; C08G77/00; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/4009; C08G18/48; C08G18/50; C08G18/5096; C08G18/61; C08G18/70; C08G18/72; C08G18/77; C08G18/778; C08G77/42; C08G77/46; C08G2110/00; C08G2110/0008; C08G2110/0016; C08G2110/0025; C08G2110/0083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A COPOLYMER MADE BY REACTING (1) AT LEAST 0.01 PART BY WEIGHT OF A SILOXANE OF THE STRUCTURE
Claim 2
Dependent Claim
18 words
A COPOLYMER MADE BY REACTING (1) AT LEAST 0.01 PART BY WEIGHT OF A SILOXANE OF THE STRUCTURE
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |