Patent US4150897A successfully refreshed from Google Patents.
Patent US3297632A successfully refreshed from Google Patents.
US3297632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclic siloxane-containing polymers
Assignee: General Electric Co
•
Filing: 1963-08-01
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Granted: 1967-01-10
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Tse C Wu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:48
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/48; C08G77/50; C08G77/52
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
A POLMERIC MATERIAL CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA:
Claim 2
Dependent Claim
11 words
A POLMERIC MATERIAL CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA:
Claim 3
Dependent Claim
11 words
A POLYMERIC MATERIAL CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA:
Claim 4
Dependent Claim
11 words
A POLYMERIC MATERIAL CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA:
References Cited (Backward Citations)
US2375998A
Cited
CA625945A
Cited
US2386466A
Cited
US2371050A
Cited
US2386467A
Cited
US2508196A
Cited
US2629726A
Cited
US3111534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |