US1908695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive roll for ring splitting machines
Assignee: SPARTA FOUNDRY Co
•
Filing: 1931-05-04
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Granted: 1933-05-16
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Expires: 1951-05-04
Abstract
No abstract record available.
Inventors
- 👤 Deutsch Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:15
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/04; B23D47/045; B23D47/047; B23D45/00; B23D45/003; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16426; Y10T82/16967
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) | 1936-05-15 | 1936-11-14 | 1937-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-15 | 1940-11-14 | 1941-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-15 | 1944-11-14 | 1945-05-16 | $7700.00 | Window Closed / Lapsed |