US2441767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Predetermined count control mechanism
Assignee: A Kimball Co
•
Filing: 1944-11-20
•
Granted: 1948-05-18
•
Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 Karl L Johansson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:50
CPC Classifications
G; G06; G06M; G06M3/00; G06M3/02; G06M3/025; G06M3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US73449A
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US364373A
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US488521A
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US520142A
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US902022A
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US1056411A
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US1748948A
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US1726487A
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US2361572A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |