Patent US4751664A successfully refreshed from Google Patents.
US4751664A
Expired / Lapsed
US
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Enclosure device with magnetically attached calculator
Assignee: DURATEC Corp A CORP OF MINNESOTA
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Filing: 1986-03-20
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Granted: 1988-06-14
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Expires: 2006-03-20
Abstract
Abstract An enclosure has a first flap member portion and a second member flap portion flexibly connected to each other so that the flap member portions may be moved away from and toward each other. In one embodiment, the enclosure retains a check recordal pad and a blank check pad. A calculator is magnetically attached to the first flap member.
Inventors
- 👤 Ronald A. Holm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:53
CPC Classifications
G; G06; G06F; G06F15/00; G06F15/02; G06F15/0216
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
111 words
An enclosure device comprising: enclosure means including at least first and second flap member portions hingedly joined to each other such that the first and second flap member portions are movable toward each other to a position substantially adjacent each other; calculator means having means for inserting data, means for displaying results of data insertion and means for computing the results; a tab member portion hingedly attached to the first flap member; and magnetic means for detachably attaching the calculator means to the tab member portion, the magnetic means being disposed between the calculator means and the tab member portion when the calculator means is attached to the tab member portion.
Claim 2
Dependent Claim
111 words
An enclosure device comprising: enclosure means including at least first and second flap member portions hingedly joined to each other such that the first and second flap member portions are movable toward each other to a position substantially adjacent each other; calculator means having means for inserting data, means for displaying results of data insertion and means for computing the results; a tab member portion hingedly attached to the first flap member; and magnetic means for detachably attaching the calculator means to the tab member portion, the magnetic means being disposed between the calculator means and the tab member portion when the calculator means is attached to the tab member portion.
Claim 3
Dependent Claim
28 words
The device of claim 1 wherein the magnetic means includes a ferrous backing attached to the calculator means and a magnetic element attached to the first flap member.
Claim 4
Dependent Claim
36 words
The device of claim 1 wherein the calculator means includes a housing and wherein the magnetic means includes a magnetic element attached to the calculator housing and a ferrous element attached to the first flap member.
Claim 5
Dependent Claim
30 words
The device of claim 1 wherein the magnetic means includes a ferrous element as part of the calculator means and a magnetic element fixedly attached to the tab member portion.
Claim 6
Dependent Claim
19 words
The device of claim 4 wherein the magnetic element consists of a polymeric matrix and magnetic particles retained therein.
Claim 7
Dependent Claim
29 words
The device of claim 1 wherein the magnetic means includes a magnetic element as part of the calculator means and a ferrous element fixedly attached to the tab means.
Claim 8
Dependent Claim
20 words
The device of claim 6 wherein the magnetic element consists of a polymeric matrix and the magnetic particles retained therein.
Claim 9
Dependent Claim
50 words
The device of claim 1 wherein a check recordal pad is retained in the device by the first flap member portion and the tab member portion is attached near a top section of the first flap member portion such that the tab member portion is used as a page mark.
Claim 10
Dependent Claim
22 words
The device of claim 1 wherein the first and second flap member portions are made of a single piece of flexible material.
Claim 11
Dependent Claim
14 words
The device of claim 1 wherein the calculator means includes a solar power supply.
Claim 12
Dependent Claim
23 words
The device of claim 10 wherein the calculator means includes a surface and the solar supply is substantially flush with the top surface.
Claim 13
Dependent Claim
26 words
The device of claim 1 wherein the calculator means includes a top surface and the means for inserting data is substantially flush with the top surface.
Claim 14
Dependent Claim
22 words
The device of claim 1 wherein the calculator has a surface and the means for displaying is substantially flush with the surface.
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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) | 1991-06-14 | 1991-12-14 | 1992-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-14 | 1995-12-14 | 1996-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-14 | 1999-12-14 | 2000-06-14 | $7700.00 | Window Closed / Lapsed |