US3445495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers and telomers of silacyclobutanes
Assignee: Dow Silicones Corp
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Filing: 1966-05-06
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Granted: 1969-05-20
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Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Lee E Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:33
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/0805; C07F7/0807; C07F7/081; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0876; C07F7/0878; C07F7/0896; C08; C08G; C08G77/00; C08G77/60; C10; C10M; C10M3/00; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/05; C10M2229/051; C10N; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2618646A
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US2850514A
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US3046291A
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US3139448A
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US3398178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |