US3269984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of hexaorgano-cyclotrisiloxanes
Assignee: General Electric Co
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Filing: 1963-12-16
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Granted: 1966-08-30
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard A Vaughn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:08
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE PROCESS FOR PREPARING A HIGH MOLECULAR WEIGHT POLYDIORGANOSILOXANE WHICH COMPRISES FORMING A REACTION MIXTURE OF (A) A CYCLOTRISILOXANE BEING THE FORMULA:
Claim 2
Dependent Claim
22 words
THE PROCESS FOR PREPARING A HIGH MOLECULAR WEIGHT POLYDIORGANOSILOXANE WHICH COMPRISES FORMING A REACTION MIXTURE OF (A) A CYCLOTRISILOXANE BEING THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |