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US3694864A Expired / Lapsed US ⏱️ 0.0 years remaining

Fasteners for attaching umbrella clothes to ribs

Assignee: Individual
•
Filing: 1970-09-28
•
Granted: 1972-10-03
•
Expires: 1990-09-28
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Abstract

Abstract A fastener for attaching an umbrella cloth to a rib is comprised of a longitudinal rod, a transverse member connected to one end of the longitudinal rod and adapted to pierce through the cloth and an anchor provided on the other end of the longitudinal rod and adapted to be secured to the rib. These component parts are made of relatively soft deformable material as an integral unit.

Inventors

  • 👤 Takuo Kawano

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:07
CPC Classifications
A; A45; A45B; A45B25/00; A45B25/18

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 87 words
A fastener for attaching umbrella cloth to ribs comprising a short longitudinal rod, an elongated transverse member connected about at its center to one end of said longitudinal rod and adapted to pierce through the cloth, and, a heart shaped anchor having a base larger than the diameter of said longitudinal rod provided on the other end of said longitudinal rod and adapted to be secured to the rib, said transverse member, said longitudinal rod and said anchor being made of deformable material as an integral unit.
Claim 2
Dependent Claim 87 words
A fastener for attaching umbrella cloth to ribs comprising a short longitudinal rod, an elongated transverse member connected about at its center to one end of said longitudinal rod and adapted to pierce through the cloth, and, a heart shaped anchor having a base larger than the diameter of said longitudinal rod provided on the other end of said longitudinal rod and adapted to be secured to the rib, said transverse member, said longitudinal rod and said anchor being made of deformable material as an integral unit.

References Cited (Backward Citations)

US1693536A Cited
US2087756A Cited
US3080630A Cited
US3110647A Cited
US3149385A Cited
US3399432A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-10-03 1976-04-03 1976-10-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-03 1980-04-03 1980-10-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-03 1984-04-03 1984-10-03 $7700.00 Window Closed / Lapsed

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