US3271359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Equilibration of organopolysiloxanes using phosphorus-containing catalysts
Assignee: General Electric Co
•
Filing: 1962-12-24
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Granted: 1966-09-06
•
Expires: 1982-12-24
Abstract
No abstract record available.
Inventors
- 👤 Ben A Bluestein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:30
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A PROCESS FOR MAKING A POLYMER THE FORMULA,
Claim 2
Dependent Claim
8 words
A PROCESS FOR MAKING A POLYMER THE FORMULA,
References Cited (Backward Citations)
US2472629A
Cited
US3047528A
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US2371068A
Cited
US2723987A
Cited
US3015646A
Cited
US3175995A
Cited
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 |