US1928869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing upsilon-type belts
Assignee: DAYTON RODERWALD Co
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Filing: 1929-01-11
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Granted: 1933-10-03
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Expires: 1949-01-11
Abstract
No abstract record available.
Inventors
- 👤 Roderwald Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:26
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/10; B29D29/106; B29D29/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015; Y10T156/1039; Y10T156/1089; Y10T156/1092; Y10T156/1093
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) | 1936-10-02 | 1937-04-03 | 1937-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-02 | 1941-04-03 | 1941-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-02 | 1945-04-03 | 1945-10-03 | $7700.00 | Window Closed / Lapsed |