US3629228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-corrosive siloxane vulcanizable at room temperature
Assignee: Dow Silicones Corp
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Filing: 1969-12-01
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Granted: 1971-12-21
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Expires: 1989-12-01
Abstract
Abstract A ROOM TEMPERATURE VULCANIZABLE ALKOXY SILOXANE BLOCK COPOLYMER OF A POLYDIORGANOSILOXANE BLOCK AND A MONOORGANOSILOXANE BLOCK BEING ENDBLOCKED WITH MONOORGANODIALKOXYSILOXY UNITS IN NON-CORROSIVE TOWARD METALS AND IS USEFUL WHEN CURED AS A DIERCT RESISTANT COATING.
Inventors
- 👤 Robert C Hartlein
- 👤 Carl R Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:00
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/42; C08G77/44; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |