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US2426328A
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US
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Method of finishing plastic filaments, and products made therefrom
Assignee: Lever Brothers Co
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Filing: 1943-06-05
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Granted: 1947-08-26
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Expires: 1963-06-05
Abstract
No abstract record available.
Inventors
- 👤 George H Wandel
- 👤 Theodore H Rider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:43
CPC Classifications
A; A46; A46D; A46D1/00; A46D1/02; A46D1/0284; A46D9/00; A46D9/02; Y; Y10; Y10S; Y10S425/00; Y10S425/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |