Patent US1908643A successfully refreshed from Google Patents.
US1908643A
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Channel felt and its process of manufacture
Assignee: New York Belting & Packing Co
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Filing: 1928-08-30
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Granted: 1933-05-09
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Expires: 1948-08-30
Abstract
No abstract record available.
Inventors
- 👤 Rice Harold De Blois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:54
CPC Classifications
B; B60; B60J; B60J10/00; B60J10/70; B60J10/74; B60J10/15; B60J10/17; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/31504; Y10T428/31551; Y10T428/31641
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) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |