US3294738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making arylsilsesquioxane ladder polymers
Assignee: General Electric Co
•
Filing: 1963-12-23
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Granted: 1966-12-27
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Karl W Krantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:56
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PROCESS COMPRISING HYDROLYZING A POLYMER HAVING THE STRUCTURAL FORMULA,
Claim 2
Dependent Claim
10 words
A PROCESS COMPRISING HYDROLYZING A POLYMER HAVING THE STRUCTURAL FORMULA,
References Cited (Backward Citations)
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Cited
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Cited
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US3167555A
Cited
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Cited
US3175994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |