Patent US3387327A successfully refreshed from Google Patents.
US3387327A
Expired / Lapsed
US
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Filament spinning apparatus
Assignee: Monsanto Co
•
Filing: 1966-06-09
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Granted: 1968-06-11
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Expires: 1986-06-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Wilbur J Privott
- 👤 Rodney M Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:27
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D4/00; D01D4/02; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE536574C
Cited
US2149425A
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US3014237A
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US3117906A
Cited
US3161914A
Cited
GB970844A
Cited
US3192563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |