US3532537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane rubber
Assignee: Midland Silicones Ltd
•
Filing: 1968-02-27
•
Granted: 1970-10-06
•
Expires: 1988-02-27
Abstract
No abstract record available.
Inventors
- 👤 Hugh D Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:57
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/42; C08G77/44; 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)
US2934235A
Cited
US2442196A
Cited
US2996479A
Cited
US3021292A
Cited
US3002946A
Cited
US3061565A
Cited
US3079281A
Cited
US3020260A
Cited
US3231532A
Cited
US3308080A
Cited
US3308079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |