US2991685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing bulked yarn
Assignee: Akzona Inc
•
Filing: 1957-10-07
•
Granted: 1961-07-11
•
Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Bernhard Johann Van Dongeren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:47
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/36; G01N33/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2413486A
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US2510347A
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US2682191A
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US2789765A
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US2699701A
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US2774940A
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US2812685A
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US2841048A
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US2824488A
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US2824487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |