US3427912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparation for splitting fiber and its apparatus for the same
Assignee: Shibaura Machine Co Ltd
•
Filing: 1965-07-27
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Granted: 1969-02-18
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Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Masayuki Nozawa
- 👤 Toshinori Ito
- 👤 Shingo Hayashi
- 👤 Naotoshi Otsuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:00
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/06; H01F6/065; B; B26; B26F; B26F1/00; B26F1/18; B26F1/20; D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C3/085; H01F29/00; H01F29/14; H01F29/143; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/0419; Y10T83/0433; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4798; Y10T83/929; Y10T83/9372; Y10T83/9408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN A PROCESS FOR MANUFACTURING YARNS FROM SLIT FILM, THE STEP OF GUIDING FILM AROUND AND IN CONTACT WITH A PORTION OF THE PERIPHERAL SURFACE OF A ROLLER HAVING CUTTING EDGES THEREON WHICH EXTEND THROUGH AND SLIT THE FLIM SUBSTANTIALLY IN THE DIRECTION OF TRAVEL OF SAID FILM DURING GUIDING OF THE LATTER AROUND SAID ROLLER.
Claim 2
Dependent Claim
56 words
IN A PROCESS FOR MANUFACTURING YARNS FROM SLIT FILM, THE STEP OF GUIDING FILM AROUND AND IN CONTACT WITH A PORTION OF THE PERIPHERAL SURFACE OF A ROLLER HAVING CUTTING EDGES THEREON WHICH EXTEND THROUGH AND SLIT THE FLIM SUBSTANTIALLY IN THE DIRECTION OF TRAVEL OF SAID FILM DURING GUIDING OF THE LATTER AROUND SAID ROLLER.
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |