Patent US3909858A successfully refreshed from Google Patents.
US4896983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protecting sleeve with cover and clip
Assignee: Individual
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Filing: 1987-09-23
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Granted: 1990-01-30
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Expires: 2007-09-23
Abstract
Abstract A writing instrument with a slide cap is provided in which the slide cap with a moveable cover is slideable along casing of the instrument from a position wherein it protects the writing tip of the instrument, to a position wherein the writing tip is exposed.
Inventors
- 👤 Byung-Do Im
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:51
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/08; B43K23/12; B43K23/122; B43K23/126
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
225 words
A writing instrument which comprises: (a) an elongated casing with a first portion and an oppositely disposed second portion; (b) a writing tip at remote end of the first portion of said casing; (c) a slide cap having an opening at a distal end thereof being telescopically received over the first portion of the casing and moveable along said casing between (1) a retracted position in which said slide cap overlies the second portion, thus leaving said writing tip exposed and (2) an extended position in which said slide cap covers said writing tip, thus protecting said writing tip; (d) means for releasably retaining said slide cap in each of the retracted and extended positions; (e) a clip affixed to said slide cap for mounting onto a web of cloth material of the user; (f) a cover movably mounted on said cap adjacent said opening when said cap is moved to said retracted position and (2) a closed position in which said cover conceals said opening when said slide cap is in said extended position; and (g) means external of the cap on the clip for manually moving said cover to the open and closed position, wherein the cover is pivotally mounted on the clip and includes pivotal arms for movement from an open position spaced externally from said distal end to a closed position.
Claim 2
Dependent Claim
225 words
A writing instrument which comprises: (a) an elongated casing with a first portion and an oppositely disposed second portion; (b) a writing tip at remote end of the first portion of said casing; (c) a slide cap having an opening at a distal end thereof being telescopically received over the first portion of the casing and moveable along said casing between (1) a retracted position in which said slide cap overlies the second portion, thus leaving said writing tip exposed and (2) an extended position in which said slide cap covers said writing tip, thus protecting said writing tip; (d) means for releasably retaining said slide cap in each of the retracted and extended positions; (e) a clip affixed to said slide cap for mounting onto a web of cloth material of the user; (f) a cover movably mounted on said cap adjacent said opening when said cap is moved to said retracted position and (2) a closed position in which said cover conceals said opening when said slide cap is in said extended position; and (g) means external of the cap on the clip for manually moving said cover to the open and closed position, wherein the cover is pivotally mounted on the clip and includes pivotal arms for movement from an open position spaced externally from said distal end to a closed position.
Claim 3
Dependent Claim
299 words
A writing instrument which comprises an elongated casing with a first portion and an oppositely disposed second portion; (b) a writing tip at a remote end of the first portion of said casing; (c) a slide cap having an opening at a distal end thereof being telescopically received over the first portion of the casing and moveable along said casing between (1) a retracted position in which said slide cap overlies the second portion thus leaving said writing tip exposed and (2) an extended position in which said slide cap covers said writing tip, thus protecting said writing tip; (d) means for releaseably retaining said slide cap in each of the retracted and extended positions; (e) a clip affixed to said slide cap for mounting onto a web of cloth material of the user; (f) a cover movably mounted on said cap adjacent said opening when said cap is moved to said retracted position and a closed position in which said cover conceals said opening when said slide cap is in said extended position; and (g) means external of the cap on the clip for manually moving said cover to the open and closed positions, wherein said retaining means includes: (h) two spaced apart external protrusions, one of said protrusions on the first portion and other of said protrusions on the second portion of said casing; (i) said slide cap having an internal indentation receivable on said respective protrusions and wherein; (j) said cover is slideably mounted on said clip and slides into a groove at said distal end of said clip, further comprising a flange ring secured to remote end of the second portion of said casing to prevent insertion of said clip onto said web of cloth material when said slide cap is in the retracted position.
Claim 4
Dependent Claim
299 words
A writing instrument which comprises an elongated casing with a first portion and an oppositely disposed second portion; (b) a writing tip at a remote end of the first portion of said casing; (c) a slide cap having an opening at a distal end thereof being telescopically received over the first portion of the casing and moveable along said casing between (1) a retracted position in which said slide cap overlies the second portion thus leaving said writing tip exposed and (2) an extended position in which said slide cap covers said writing tip, thus protecting said writing tip; (d) means for releaseably retaining said slide cap in each of the retracted and extended positions; (e) a clip affixed to said slide cap for mounting onto a web of cloth material of the user; (f) a cover movably mounted on said cap adjacent said opening when said cap is moved to said retracted position and a closed position in which said cover conceals said opening when said slide cap is in said extended position; and (g) means external of the cap on the clip for manually moving said cover to the open and closed positions, wherein said retaining means includes: (h) two spaced apart external protrusions, one of said protrusions on the first portion and other of said protrusions on the second portion of said casing; (i) said slide cap having an internal indentation receivable on said respective protrusions and wherein; (j) said cover is slideably mounted on said clip and slides into a groove at said distal end of said clip, further comprising a flange ring secured to remote end of the second portion of said casing to prevent insertion of said clip onto said web of cloth material when said slide cap is in the retracted position.
Claim 5
Dependent Claim
35 words
A writing instrument as recited in claim 2, further comprising a spring biased pressure stopper on top of said clip so as to engage with said cover when said cover is in the open position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-29 | 1993-07-31 | 1994-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-29 | 1997-07-31 | 1998-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-29 | 2001-07-31 | 2002-01-30 | $7700.00 | Window Closed / Lapsed |