US2639249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liner for rubber sheeting
Assignee: Rapid Roller Co
•
Filing: 1949-04-26
•
Granted: 1953-05-19
•
Expires: 1969-04-26
Abstract
No abstract record available.
Inventors
- 👤 Gurin Emanuel
- 👤 Fox Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:03
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; B29C33/62; B29C37/00; B29C37/0067; B29C37/0075; B29K; B29K2021/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31833; Y10T428/31855; Y10T428/31859; Y10T428/31877; Y10T428/31909; Y10T428/31924; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/3642
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1749743A
Cited
US2201537A
Cited
US2268121A
Cited
GB573437A
Cited
US2387831A
Cited
GB574459A
Cited
US2430931A
Cited
US2409548A
Cited
US2441542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |