US3017385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel organopolysiloxanes
Assignee: General Electric Co
•
Filing: 1959-01-21
•
Granted: 1962-01-16
•
Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 Murray M Sprung
- 👤 Frederick O Guenther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:44
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A BENZENE-SOLUBLE, PHENYLPOLYSILOXANE INFUSIBLE AT A TEMPERATURE OF FROM 250-300*C., HAVING A RATIO OF ONE PHENYL GROUP PER SILICON ATOM AND HAVING AN INTRINSIC VISCOSITY IN BENZENE OF FROM 0.10 TO 0.30 D1./G. AT 25*C.
Claim 2
Dependent Claim
35 words
A BENZENE-SOLUBLE, PHENYLPOLYSILOXANE INFUSIBLE AT A TEMPERATURE OF FROM 250-300*C., HAVING A RATIO OF ONE PHENYL GROUP PER SILICON ATOM AND HAVING AN INTRINSIC VISCOSITY IN BENZENE OF FROM 0.10 TO 0.30 D1./G. AT 25*C.
References Cited (Backward Citations)
US2482276A
Cited
GB659013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |