US3303733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of staple fibre from continuous filaments
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1964-08-06
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Granted: 1967-02-14
•
Expires: 1984-08-06
Abstract
No abstract record available.
Inventors
- 👤 Medlycott Lionel Sheffield
- 👤 Cail Allan Gornall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:31
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10S; Y10S83/00; Y10S83/913; Y10T; Y10T83/00; Y10T83/202; Y10T83/2031; Y10T83/2092; Y10T83/2209; Y10T83/647; Y10T83/654; Y10T83/6545; Y10T83/6547; Y10T83/6548
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
APPARATUS FOR THE PRODUCTION OF STAPLE FIBRES FROM CONTINUOUS FILAMENTS COMPRISING A FILAMENT SUPPORTING FORMER OF SUBSTANTIALLY ROUND SECTION AT ONE END WITH ITS SURFACE ALTERING GRADUALLY ALONG ITS LENGTH TO A SUBSTANTIALLY HORIZONTAL FLAT SECTION AT THE OTHER END, AND CUTTING MEANS COOPERATING WITH SAID FORMER FOR CUTTING CONTINUOUS FILAMENTS ON SAID FORMER INTO STAPLE FIBRES.
Claim 2
Dependent Claim
57 words
APPARATUS FOR THE PRODUCTION OF STAPLE FIBRES FROM CONTINUOUS FILAMENTS COMPRISING A FILAMENT SUPPORTING FORMER OF SUBSTANTIALLY ROUND SECTION AT ONE END WITH ITS SURFACE ALTERING GRADUALLY ALONG ITS LENGTH TO A SUBSTANTIALLY HORIZONTAL FLAT SECTION AT THE OTHER END, AND CUTTING MEANS COOPERATING WITH SAID FORMER FOR CUTTING CONTINUOUS FILAMENTS ON SAID FORMER INTO STAPLE FIBRES.
References Cited (Backward Citations)
US3062082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |