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US4936444A Expired / Lapsed US ⏱️ 0.0 years remaining

Compartmentalized key chain

Assignee: Individual
•
Filing: 1989-05-08
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Granted: 1990-06-26
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Expires: 2009-05-08
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Abstract

Abstract A key chain carrying a plurality of individually attachable cylindrical compartments with each compartment carrying items therein necessary to the user. In particular a compartment includes a visual data scroll which can be extracted therefrom by the user for information purposes, and thereafter retracted by spring actuated means similar to a window shade. Another compartment includes a buzzer alarm system comprised of a sound unit, a battery and switch electrically connected to actuate the alarm. Still another compartment includes a flash light system composed of a light bulb a battery and switch all electrically connected to energize the light.

Inventors

  • 👤 Akihiro Yamaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:20
CPC Classifications
A; A45; A45C; A45C15/00

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 72 words
A compartmentalized key chain comprising, (a) a key chain including a key ring attached thereto, (b) cylindrical integrated compartment means attached to said chain for storing paraphernalia germane to the user of the key chain, and (c) insert means in said compartment including visual data scroll means disposed to reside within the compartment so as to be externally extracted therefrom by the user for information purposes, and thereafter retracted by spring-actuated means.
Claim 2
Dependent Claim 72 words
A compartmentalized key chain comprising, (a) a key chain including a key ring attached thereto, (b) cylindrical integrated compartment means attached to said chain for storing paraphernalia germane to the user of the key chain, and (c) insert means in said compartment including visual data scroll means disposed to reside within the compartment so as to be externally extracted therefrom by the user for information purposes, and thereafter retracted by spring-actuated means.
Claim 3
Dependent Claim 26 words
A chain according to claim 1 and wherein said integrated compartment means includes at least one or more attachable compartments for storing and removing said paraphernalia.
Claim 4
Dependent Claim 40 words
A chain according to claim 1 and wherein said insert means further includes an alarm system comprised of a buzzer-like sound device, a battery driven energizing circuit connected thereto, and external manual means on said compartment for actuating said circuit.
Claim 5
Dependent Claim 39 words
A key chain according to claim 1 and wherein said insert means further includes a flash-light system composed of a lighting device connected to a battery driven circuit disposed to function by a manual switch externally positioned and operated.

References Cited (Backward Citations)

US2371308A Cited
US2103272A Cited
US4674628A Cited
US4765459A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-06-25 1993-12-25 1994-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-06-25 1997-12-25 1998-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-06-25 2001-12-25 2002-06-26 $7700.00 Window Closed / Lapsed

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