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US5222131A
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US
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Telephone protector including removable fuse holder
Assignee: Illinois Tool Works Inc
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Filing: 1991-07-03
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Granted: 1993-06-22
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Expires: 2011-07-03
Abstract
Abstract A telephone protector is contained within a housing having an input connection and an output connection. The protector comprises an externally accessible fuse compartment having fuse contact pairs. A removable fuse holder capable of locating a fuse within the fuse compartment is provided. A fuse holding element is disposed on the removable fuse holder capable of holding fuses with respect to the removable fuse holder and positioning the fuse in engagement with the fuse contact pairs. Strain relief means is provided to reduce strain on the wires entering the housing.
Inventors
- 👤 Richard H. Heidorn
- 👤 Bjarne Frederiksen
- 👤 E. Grant Swick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:30
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/738; H04M1/74; H04M1/745; H01; H01H; H01H85/00; H01H85/02; H01H85/20; H01H85/2045; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/14; H04M3/00; H04M3/18; H04Q; H04Q1/00; H04Q1/02; H04Q1/14; H04Q1/146
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
72 words
A telephone protector, contained within a housing comprising: an externally accessible fuse compartment containing fuse contact means within; a removable fuse holder for locating a fuse within the fuse compartment; said removable fuse holder having a fuse holding element for supporting the fuse so as to expose each end of the fuse for direct contact with the fuse contact means when the removable fuse holder is properly positioned in the fuse compartment.
Claim 2
Dependent Claim
72 words
A telephone protector, contained within a housing comprising: an externally accessible fuse compartment containing fuse contact means within; a removable fuse holder for locating a fuse within the fuse compartment; said removable fuse holder having a fuse holding element for supporting the fuse so as to expose each end of the fuse for direct contact with the fuse contact means when the removable fuse holder is properly positioned in the fuse compartment.
Claim 3
Dependent Claim
21 words
A telephone protector as defined in claim 1 further comprising locking means for locking the removable fuse holder to the housing.
Claim 4
Dependent Claim
23 words
A telephone protector as defined in claim 1 further comprising mounting means disposed on the housing for mounting the housing to another object.
Claim 5
Dependent Claim
18 words
A telephone protector as defined in claim 2 wherein the locking means comprises a tang and a notch.
Claim 6
Dependent Claim
52 words
A telephone protector as defined in claim 1 wherein the fuse holding element comprises a trunk extending from the removable fuse holder, and an arcuate portion connected to the trunk on an end thereof opposite to the removable fuse holder, the arcuate portion defines a fuse socket for releasably holding a fuse.
Claim 7
Dependent Claim
116 words
A housing capable of retaining electronic equipment comprising: an externally accessible compartment containing electrical contacts; the externally accessible compartment being capable of releasably retaining an electronic circuit element in a disposition so that the electronic circuit element engages the electrical contacts; a removable access member covering the externally accessible compartment, the access member and the housing being in a flush arrangement when the removable access member is properly disposed within the housing; an electronic circuit element holding element disposed on the removable access member; and the holding element being capable of holding the electronic circuit element and of locating the electronic circuit element in a position where the electronic circuit element connects with the electrical contacts.
Claim 8
Dependent Claim
116 words
A housing capable of retaining electronic equipment comprising: an externally accessible compartment containing electrical contacts; the externally accessible compartment being capable of releasably retaining an electronic circuit element in a disposition so that the electronic circuit element engages the electrical contacts; a removable access member covering the externally accessible compartment, the access member and the housing being in a flush arrangement when the removable access member is properly disposed within the housing; an electronic circuit element holding element disposed on the removable access member; and the holding element being capable of holding the electronic circuit element and of locating the electronic circuit element in a position where the electronic circuit element connects with the electrical contacts.
Claim 9
Dependent Claim
23 words
A housing as described in claim 6 further comprising locking means for releasably holding the removable access member over the externally accessible compartment.
Claim 10
Dependent Claim
15 words
A housing as described in claim 6 wherein the electronic circuit element comprises a fuse.
Claim 11
Dependent Claim
26 words
A housing as described in claim 7 further comprising a space located in proximity to the locking means which allows for unlocking of the locking means.
Claim 12
Dependent Claim
43 words
A housing as described in claim 6 wherein the housing has an input connection and an output connection capable of accepting wires, and strain relief means for relieving strain on the wires associated with at least one of the input and output connections.
Claim 13
Dependent Claim
43 words
A housing as described in claim 10 wherein the strain relief means comprises a projecting member extending from a wall of the housing and opposing an adjacent side wall of the housing for clamping a wire between the projection and the side wall.
Claim 14
Dependent Claim
26 words
A housing as described in claim 10 wherein the housing is comprised of a plurality of joined panels, and the strain relief means comprises joint compression.
Claim 15
Dependent Claim
104 words
A housing for retaining an electronic circuit component comprising: an externally accessible compartment for receiving an electronic circuit component to be connected to electrical contacts disposed in the housing; a detachable access member for covering the externally accessible compartment such that when the access member covers the compartment, the housing and the access member lie in a flush arrangement; and a holding element on the detachable access member for holding the electronic circuit component with respect to the detachable access member and positioning the electronic circuit component in engagement with the electrical contacts when the detachable access member is properly disposed on the housing.
Claim 16
Dependent Claim
104 words
A housing for retaining an electronic circuit component comprising: an externally accessible compartment for receiving an electronic circuit component to be connected to electrical contacts disposed in the housing; a detachable access member for covering the externally accessible compartment such that when the access member covers the compartment, the housing and the access member lie in a flush arrangement; and a holding element on the detachable access member for holding the electronic circuit component with respect to the detachable access member and positioning the electronic circuit component in engagement with the electrical contacts when the detachable access member is properly disposed on the housing.
Claim 17
Dependent Claim
94 words
A housing for retaining an electronic circuit component comprising: an externally accessible compartment for receiving an electronic circuit component having a conducting portion to be directly connected to electrical contacts disposed in the housing; a detachable access member for covering the externally accessible compartment; and a holding element on the detachable access member for holding the electronic circuit component such that the conducting portion is exposed and for positioning the electronic circuit component such that the conducting portion directly engages the electrical contacts when the detachable access member is properly disposed on the housing.
Claim 18
Dependent Claim
94 words
A housing for retaining an electronic circuit component comprising: an externally accessible compartment for receiving an electronic circuit component having a conducting portion to be directly connected to electrical contacts disposed in the housing; a detachable access member for covering the externally accessible compartment; and a holding element on the detachable access member for holding the electronic circuit component such that the conducting portion is exposed and for positioning the electronic circuit component such that the conducting portion directly engages the electrical contacts when the detachable access member is properly disposed on the housing.
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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) | 1996-06-21 | 1996-12-21 | 1997-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-21 | 2000-12-21 | 2001-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-21 | 2004-12-21 | 2005-06-22 | $7700.00 | Window Closed / Lapsed |