US3983569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument pen with integral pen arm attachment means
Assignee: Graphic Controls Corp
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Filing: 1975-10-06
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Granted: 1976-09-28
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Expires: 1995-10-06
Abstract
Abstract A pen for use in recording instruments includes integral hinged member which folds over and locks in place on a pen arm and thus facilitates attachment of pen and pen arm. Preferably, integrally molded ribs are included to press into and to better secure the pen arm upon locking engagement of the hinged member.
Inventors
- 👤 James R. Hubbard
- 👤 Charles A. Erdman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:41
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/16
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
77 words
In an instrument marker pen body including an ink reservoir and means for receiving a writing tip, the improvement comprising a pen arm holding means consisting of an integrally molded hinged member adapted to fold against a surface of the pen body and to be locked against said surface by engageable locking means and to receive and secure in place against said surface a pen arm when said hinged member is in its folded and locked position.
Claim 2
Dependent Claim
77 words
In an instrument marker pen body including an ink reservoir and means for receiving a writing tip, the improvement comprising a pen arm holding means consisting of an integrally molded hinged member adapted to fold against a surface of the pen body and to be locked against said surface by engageable locking means and to receive and secure in place against said surface a pen arm when said hinged member is in its folded and locked position.
Claim 3
Dependent Claim
36 words
An instrument marker pen body, as recited in claim 1, wherein said hinged member includes ridges molded therein adapted to press against a pen arm when said hinged member is in its folded and locked position.
Claim 4
Dependent Claim
34 words
An instrument marker pen body, as recited in claim 1, wherein said surface of said marker body includes molded projections adapted to fit a pen arm therebetween and prevent movement thereof toward said projections.
Claim 5
Dependent Claim
31 words
An instrument marker pen body, as recited in claim 1, wherein said ink reservoir comprises a body surrounding an enclosed space in which is disposed a fibrous body containing liquid ink.
Claim 6
Dependent Claim
42 words
An instrument marker pen body, as recited in claim 1, wherein said ink reservoir is adapted to receive a supply of liquid ink and is open at the top so that the liquid ink supply may be replenished from time to time.
Claim 7
Dependent Claim
39 words
An instrument marker pen body, as recited in claim 5, wherein said marker body includes a flat member extending away from an ink reservoir space in said body, said flat member adapted to guide liquid ink into said reservoir.
Claim 8
Dependent Claim
88 words
An instrument marker pen body, as recited in claim 1, wherein said surface includes a molded bevelled projection and said hinged member also includes molded projections, said molded bevelled projection on said surface and said molded projection on said hinged member facing one another when said hinged member is in its folded position, said molded bevelled projection on said flat member and said molded projection on said hinged member being adapted to press against a pen arm held therebetween when said hinged member is in its folded position.
Claim 9
Dependent Claim
69 words
An instrument marker pen body, as recited in claim 7, further includng additional molded projections on said surface adjacent said area in which said molded bevelled projection on said surface and said molded projections on said hinged member face one another when said hinged member is in its folded position, said projections adjacent said area adapted to receive the pen arm therebetween and prevent movement thereof along said surface.
Claim 10
Dependent Claim
38 words
An instrument marker pen body, as recited in claim 8, wherein said marker body and said hinged member include locking engagement means for holding said hinged member in its folded position against said surface of said marker body.
Claim 11
Dependent Claim
31 words
An instrument marker pen body, as recited in claim 9, wherein said ink reservoir comprises a body surrounding an enclosed space in which is disposed a fibrous body containing liquid ink.
Claim 12
Dependent Claim
42 words
An instrument marker pen body, as recited in claim 9, wherein said ink reservoir is adapted to receive a supply of liquid ink and is open at the top so that the liquid ink supply may be replenished from time to time.
Claim 13
Dependent Claim
39 words
An instrument marker pen body, as recited in claim 11, wherein said marker body includes a flat member extending away from an ink reservoir space in said body, said flat member adapted to guide liquid ink into said reservoir.
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) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |