US3000858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organopolysiloxane composition
Assignee: General Electric Co
•
Filing: 1959-01-21
•
Granted: 1961-09-19
•
Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:01
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
THE CHEMICAL COMPOSITION DODECAPHENYLSILSESQUIOXANE HAVING THE FORMULA (C6H8SIO3/2)12.
Claim 2
Dependent Claim
8 words
THE CHEMICAL COMPOSITION DODECAPHENYLSILSESQUIOXANE HAVING THE FORMULA (C6H8SIO3/2)12.
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |