US2325903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making sponge rubber material
Assignee: Mishawaka Rubber and Woollen Manufacturing Co
•
Filing: 1941-09-20
•
Granted: 1943-08-03
•
Expires: 1961-09-20
Abstract
No abstract record available.
Inventors
- 👤 George W Blair
- 👤 Virgil H Bodle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:24
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/022; B29C44/20; B29C44/28; B29C43/00; B29C43/22; B29C43/24; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/249921; Y10T428/249953
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) | 1946-08-02 | 1947-02-01 | 1947-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-02 | 1951-02-01 | 1951-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-02 | 1955-02-01 | 1955-08-03 | $7700.00 | Window Closed / Lapsed |