US2814322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible shaft hand tool
Assignee: KUPFRIAN Manufacturing CORP
•
Filing: 1955-01-06
•
Granted: 1957-11-26
•
Expires: 1975-01-06
Abstract
No abstract record available.
Inventors
- 👤 Wilbur J Kupfrian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:17
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/02; B; B25; B25B; B25B13/00; B25B13/48; B25B13/481; B25B15/00; B25B15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US871155A
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US1225249A
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US1343101A
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US1507990A
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US1999051A
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US2023693A
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GB605130A
Cited
US2619860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |