US2787221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing nub yarn
Assignee: Akzona Inc
•
Filing: 1952-10-14
•
Granted: 1957-04-02
•
Expires: 1972-10-14
Abstract
No abstract record available.
Inventors
- 👤 Francis B Breazeale
- 👤 Henry D Irvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:52
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL51236C
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US863966A
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US1233877A
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US1453202A
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US1996796A
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US1983827A
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US2209884A
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US2426078A
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US2395772A
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US2484342A
Cited
US2556785A
Cited
US2659247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |