Patent US2034794A successfully refreshed from Google Patents.
Patent US2555666A successfully refreshed from Google Patents.
US2555666A
Expired / Lapsed
US
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Card sorting device
Assignee: MCBEE Co
•
Filing: 1945-06-18
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Granted: 1951-06-05
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Expires: 1965-06-18
Abstract
No abstract record available.
Inventors
- 👤 Don H Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:38
CPC Classifications
G; G06; G06K; G06K21/00; G06K21/04; Y; Y10; Y10T; Y10T24/00; Y10T24/46; Y10T24/4604; Y10T24/4657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US138086A
Cited
US202013A
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US362680A
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US381412A
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US674245A
Cited
US1146465A
Cited
US2045040A
Cited
US2164514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |