US2029361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing surfaces of comminuted material
Assignee: Hood Rubber Co
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Filing: 1934-06-08
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Granted: 1936-02-04
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Expires: 1954-06-08
Abstract
No abstract record available.
Inventors
- 👤 Alvin L Diller
- 👤 Hollier Leslie H L
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/02; A43B23/0245; A43B23/0255; A43B23/0205; A43B23/021; A43B23/0235; B; B29; B29C; B29C33/00; B29C33/42; B29C33/424; B29C41/00; B29C41/02; B29C41/08; B29C41/14; B29C41/34; B29C41/38; B29C41/40; B29L; B29L2031/00; B29L2031/48; B29L2031/50; B29L2031/505
Claims Analysis
Total Claims: 0
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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) | 1939-02-03 | 1939-08-05 | 1940-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-03 | 1943-08-05 | 1944-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-03 | 1947-08-05 | 1948-02-04 | $7700.00 | Window Closed / Lapsed |