Patent US1903383A successfully refreshed from Google Patents.
US1903383A
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US
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Conveyer drive means
Assignee: MILL ENGINEERING AND SUPPLY Co
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Filing: 1931-06-13
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Granted: 1933-04-04
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Expires: 1951-06-13
Abstract
No abstract record available.
Inventors
- 👤 Victor H Winquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:38
CPC Classifications
B; B27; B27B; B27B31/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/21; Y10T74/2186
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) | 1936-04-03 | 1936-10-03 | 1937-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-03 | 1940-10-03 | 1941-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-03 | 1944-10-03 | 1945-04-04 | $7700.00 | Window Closed / Lapsed |