Patent US6273861B1 successfully refreshed from Google Patents.
US2221396A
Expired / Lapsed
US
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Automatic weighing conveyer
Assignee: Individual
•
Filing: 1938-04-09
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Granted: 1940-11-12
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Expires: 1958-04-09
Abstract
No abstract record available.
Inventors
- 👤 Evoy Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:53
CPC Classifications
G; G01; G01G; G01G11/00; D; D01; D01G; D01G23/00; D01G23/02; D01G23/04; D01G23/045; G01G13/00
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) | 1943-11-12 | 1944-05-13 | 1944-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-12 | 1948-05-13 | 1948-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-12 | 1952-05-13 | 1952-11-12 | $7700.00 | Window Closed / Lapsed |