US3271360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric organosiloxanes
Assignee: Union Carbide Corp
•
Filing: 1963-04-29
•
Granted: 1966-09-06
•
Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:37
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3105061A
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US3036035A
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US3065252A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |