Patent US4244452A successfully refreshed from Google Patents.
Patent US2304554A successfully refreshed from Google Patents.
US2304554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of separating scrapped vulcanized rubber
Assignee: Goodrich Corp
•
Filing: 1940-09-21
•
Granted: 1942-12-08
•
Expires: 1960-09-21
Abstract
No abstract record available.
Inventors
- 👤 Henry L Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:22
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; B29B2017/0213; B29B2017/0217; B29B17/04; B29B2017/0424; B29B2017/0484; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/12; B29L; B29L2030/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
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) | 1945-12-07 | 1946-06-08 | 1946-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-07 | 1950-06-08 | 1950-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-07 | 1954-06-08 | 1954-12-08 | $7700.00 | Window Closed / Lapsed |