Patent US3447296A successfully refreshed from Google Patents.
US3447296A
Expired / Lapsed
US
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Method and apparatus for producting a novel high bulk continuous filament low stretch yarn
Assignee: Monsanto Co
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Filing: 1968-01-02
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Granted: 1969-06-03
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Expires: 1988-01-02
Abstract
No abstract record available.
Inventors
- 👤 Ronald W Chidgey
- 👤 William H Hills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:01
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2369395A
Cited
US3061998A
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US3041706A
Cited
US3309855A
Cited
US3132462A
Cited
US3208125A
Cited
US3273328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |