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US3239869A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetically held lint clearer rolls

Assignee: Nitto Boseki Co Ltd
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Filing: 1963-06-17
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Granted: 1966-03-15
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Expires: 1983-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Komatsu Yonezo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:28
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/60; D01H5/64; Y; Y10; Y10S; Y10S100/00; Y10S100/917

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 153 words
A LINT CLEARER COMPRISING A NON-MAGNETIC, RIGID, PERFORATED TUBULAR BODY HAVING AN EQUAL OUTER DIAMETER THROUGHOUT ITS LENGTH; A CYLINDRICAL MAGNET HOUSED IN SAID BODY; A PAIR OF CYLINDRICAL POLE PIECES HOUSED IN SAID BODY IN CONTACT WITH EACH POLE OF SAID MAGNET FOR REDIRECTING THE LINES OF FLUX EMANATING FROM EACH POLE OF THE MAGNET TO A DIRECTION TRANSVERSE OF THE AXIS OF SAID TUBULAR BODY, THE COMBINED AXIAL LENGTH OF SAID MAGNET AND SAID POLE PIECES BEING SUBSTANTIALLY LESS THAN THAT OF SAID BODY; A PLUG MEMBER TIGHTLY FITTED IN THE OPPOSITE ENDS OF THE BODY; A SHANK INTEGRAL WITH AND EXTENDING OUT FROM EACH OF SAID PLUG MEMBERS, THE FREE END OF EACH OF SAID SHANKS ENGAGING A CORRESPONDING POLE PIECE TO URGE SAID POLE PIECES INTO A TIGHT FACE-TO-FACE CONTACT WITH SAID MAGNET; AND A COVERING OF SOFT, RESILIENT MATERIAL COVERING SUBSTANTIALLY THE ENTIRE PERIPHERAL SURFACE OF THE BODY.

References Cited (Backward Citations)

US2178627A Cited
US1834878A Cited
US1945274A Cited
US2686940A Cited
DE934408C Cited
US3168760A Cited
US3150419A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-14 1969-09-13 1970-03-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-14 1973-09-13 1974-03-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-14 1977-09-13 1978-03-15 $7700.00 Window Closed / Lapsed

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