US3332972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyl phenyl cyclosiloxanes
Assignee: General Electric Co
•
Filing: 1962-05-21
•
Granted: 1967-07-25
•
Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:06
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0874; C07F7/21; C08; C08G; C08G77/00; C08G77/04; C08G77/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A COMPOSITION OF MATTER SELECTED FROM THE CLASS CONSISTING OF THE COMPOSITION 1,1,3,3-TETRAMETHYL-5,5,7,7,9,9HEXAPHENYLCYCLOPENTASILOXANE HAVING THE FORMULA
Claim 2
Dependent Claim
16 words
A COMPOSITION OF MATTER SELECTED FROM THE CLASS CONSISTING OF THE COMPOSITION 1,1,3,3-TETRAMETHYL-5,5,7,7,9,9HEXAPHENYLCYCLOPENTASILOXANE HAVING 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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |