Patent US2236214A successfully refreshed from Google Patents.
US2236214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of uniting rubber sheets
Assignee: C M CABLE
•
Filing: 1938-06-28
•
Granted: 1941-03-25
•
Expires: 1958-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jones James Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/18; B29; B29C; B29C43/00; B29C43/22; B29C43/30; B29C43/305; B29K; B29K2021/00
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) | 1944-03-24 | 1944-09-23 | 1945-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-24 | 1948-09-23 | 1949-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-24 | 1952-09-23 | 1953-03-25 | $7700.00 | Window Closed / Lapsed |