Patent US1108893A successfully refreshed from Google Patents.
Patent US5577930A successfully refreshed from Google Patents.
Patent US3837069A successfully refreshed from Google Patents.
Patent US688001A successfully refreshed from Google Patents.
Patent US2086186A successfully refreshed from Google Patents.
US2086186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of rubber
Assignee: Uniroyal Inc
•
Filing: 1933-10-10
•
Granted: 1937-07-06
•
Expires: 1953-10-10
Abstract
No abstract record available.
Inventors
- 👤 William E Messer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:42
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-07-05 | 1941-01-04 | 1941-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-05 | 1945-01-04 | 1945-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-05 | 1949-01-04 | 1949-07-06 | $7700.00 | Window Closed / Lapsed |