US3383355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing organosiloxane polymers
Assignee: Midland Silicones Ltd
•
Filing: 1966-08-10
•
Granted: 1968-05-14
•
Expires: 1986-08-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:12
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/18; C08L; C08L83/00; C08L83/04; C08G77/16; C08G77/20; C08G77/22; C08G77/24; C08G77/70
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3154515A
Cited
US3082527A
Cited
US3127363A
Cited
US3065194A
Cited
US3169942A
Cited
US3142655A
Cited
US3151099A
Cited
US3161614A
Cited
US3255152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |