Patent US3269983A successfully refreshed from Google Patents.
US3269983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solventless silicone resins
Assignee: Dow Silicones Corp
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Filing: 1964-08-14
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Granted: 1966-08-30
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Expires: 1984-08-14
Abstract
No abstract record available.
Inventors
- 👤 George W Holbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:04
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A SILICONE POLYMER OF THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
A SILICONE POLYMER OF THE GENERAL FORMULA
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |