Patent US4364903A successfully refreshed from Google Patents.
Patent US6491464B1 successfully refreshed from Google Patents.
US6491464B1
Expired / Lapsed
US
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Multi-element pen
Assignee: Individual
•
Filing: 2001-10-22
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Granted: 2002-12-10
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Expires: 2021-10-22
Abstract
Abstract A multi-element pen, particularly a pen with twin heads containing at least three operating elements for writing, correction or marking, allowing the user use only one pen for writing and correction. The pen includes a body that houses three or more ink-storage rooms and operating elements of different applications, each operating element corresponding an ink-storage room. Different writing inks or correction liquid contained in the ink-storage rooms enables the use different operating elements for writing, correction or marking, allowing the user carry only one pen for writing, correction and marking.
Inventors
- 👤 Jean Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:34
CPC Classifications
B; B43; B43K; B43K29/00; B43K29/05; B43K27/00; B43K27/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
208 words
A multi-element ink writing and correcting pen comprising: a) an elongated, unitary, generally cylindrical pen tube having two opposite ends of unequal diameters, a diameter of a first end being less than a diameter of a second end, an interior of the pen tube forming at least three separate storage rooms including a writing ink storage room having a first opening at the first end, a correction ink storage room having a second opening at the second end, and a rewriting ink storage room adjacent to the correction and storage rooms and having a third opening through the second end of the pen tube; b) a supply of writing ink in the writing and storage room; c) a supply of correction ink in the correction ink storage room; d) a supply of rewriting ink in the rewriting and storage room; e) a first writing element removably connected to the first end of the pen tube in the first opening; f) a second writing element removably connected to the second end of the pen tube in the third opening; and, g) a correction element removably connected to the second end of the pen tube in the second opening whereby the correction element is located adjacent to the second element.
Claim 2
Dependent Claim
208 words
A multi-element ink writing and correcting pen comprising: a) an elongated, unitary, generally cylindrical pen tube having two opposite ends of unequal diameters, a diameter of a first end being less than a diameter of a second end, an interior of the pen tube forming at least three separate storage rooms including a writing ink storage room having a first opening at the first end, a correction ink storage room having a second opening at the second end, and a rewriting ink storage room adjacent to the correction and storage rooms and having a third opening through the second end of the pen tube; b) a supply of writing ink in the writing and storage room; c) a supply of correction ink in the correction ink storage room; d) a supply of rewriting ink in the rewriting and storage room; e) a first writing element removably connected to the first end of the pen tube in the first opening; f) a second writing element removably connected to the second end of the pen tube in the third opening; and, g) a correction element removably connected to the second end of the pen tube in the second opening whereby the correction element is located adjacent to the second element.
Claim 3
Dependent Claim
85 words
The multi-element ink writing and correcting pen of claim 1 further comprising: a) a first cap removably attached to the first end so as to cover the first writing element; and, b) a second cap removably attached to the second end so as to cover both the second writing element and the correction element, at least one of the first and second caps including a portion to which the other of the first and second caps may be attached when removed from the pen tube.
Claim 4
Dependent Claim
35 words
The multi-element in writing and correcting pen of claim 1 wherein the first writing element is selected from the group consisting of a steel ball pen tip, a ball pen tip and a pen nib.
Claim 5
Dependent Claim
35 words
The multi-element in writing and correcting pen of claim 1 wherein the second writing element is selected from the group consisting of a steel ball pen tip, a ball pen tip and a pen nib.
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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) | 2005-12-09 | 2006-06-10 | 2006-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-12-09 | 2010-06-10 | 2010-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-12-09 | 2014-06-10 | 2014-12-10 | $7700.00 | Window Closed / Lapsed |