Patent US5331502A successfully refreshed from Google Patents.
US5331502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static charge eliminator for protection of electronic gasoline pumps and teller machines
Assignee: Individual
•
Filing: 1993-11-17
•
Granted: 1994-07-19
•
Expires: 2013-11-17
Abstract
Abstract A device for the protection of electronic equipment placed in public locations, such as electronic gasoline pumps and automatic teller machines, from damage by electrostatic charges on the bodies of individuals. The device is based on a movable, electrically conductive surface, which normally prevents access to the electronic equipment. As the user displaces the conductive surface in order to gain access to the equipment, charges will flow from the body of the user to the conductive surface and then to a grounded structure.
Inventors
- 👤 Ezzat G. Bakhoum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:44
CPC Classifications
H; H05; H05F; H05F3/00; H05F3/02
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
122 words
A static dissipative device for the protection of electronic equipment from damage by the presence of static charges on the body of a user, comprising: a movable, electrically conductive surface placed and arranged in such a manner that said electronic equipment is normally inaccessible to the user; grounding means connecting said movable, electrically conductive surface to ground; a fixed supporting structure for said movable, electrically conductive surface, wherein the fixed supporting structure is providing means for the movable, electrically conductive surface to be displaced with respect to the fixed supporting structure when force is applied to the movable, electrically conductive surface, in such a manner that said electronic equipment become accessible to the user when the movable, electrically conductive surface is displaced.
Claim 2
Dependent Claim
122 words
A static dissipative device for the protection of electronic equipment from damage by the presence of static charges on the body of a user, comprising: a movable, electrically conductive surface placed and arranged in such a manner that said electronic equipment is normally inaccessible to the user; grounding means connecting said movable, electrically conductive surface to ground; a fixed supporting structure for said movable, electrically conductive surface, wherein the fixed supporting structure is providing means for the movable, electrically conductive surface to be displaced with respect to the fixed supporting structure when force is applied to the movable, electrically conductive surface, in such a manner that said electronic equipment become accessible to the user when the movable, electrically conductive surface is displaced.
Claim 3
Dependent Claim
23 words
A device according to claim 1, wherein the movable, electrically conductive surface is displaced by rotation with respect to the fixed supporting structure.
Claim 4
Dependent Claim
23 words
A device according to claim 1, wherein the movable, electrically conductive surface is displaced by translation with respect to the fixed supporting structure.
Claim 5
Dependent Claim
14 words
A device according to claim 1, wherein the movable, electrically conductive surface is transparent.
Claim 6
Dependent Claim
22 words
A device according to claim 1, wherein the movable, electrically conductive surface is covered with a layer of an electrically conductive paint.
Claim 7
Dependent Claim
22 words
A device according to claim 1, wherein the movable, electrically conductive surface has a surface resistivity of at least 1MΩ per square.
Claim 8
Dependent Claim
16 words
A device according to claim 1, wherein the movable, electrically conductive surface is a rigid panel.
Claim 9
Dependent Claim
29 words
A device according to claim 1, wherein a message is printed on the movable, electrically conductive surface for directing the user to the proper action for displacing the surface.
Claim 10
Dependent Claim
19 words
A device according to claim 1, constructed and arranged for protecting an input/output section of an electronic gasoline pump.
Claim 11
Dependent Claim
19 words
A device according to claim 1, constructed and arranged for protecting an input/output section of an automatic teller machine.
Claim 12
Dependent Claim
19 words
A device according to claim 1, constructed and arranged for protecting an input/output section of an electronic vending machine.
Claim 13
Dependent Claim
36 words
A device according to claim 1, wherein the fixed supporting structure comprises means to permit the movable, electrically conductive surface to retract back to its original position when the force applied to the surface is removed.
Claim 14
Dependent Claim
14 words
A device according to claim 1, wherein the fixed supporting structure is electrically conductive.
Claim 15
Dependent Claim
20 words
A device according to claim 13, wherein the grounding means of the device is connected to the fixed supporting structure.
Claim 16
Dependent Claim
13 words
A device according to claim 1, wherein the grounding means comprises a resistor.
Claim 17
Dependent Claim
16 words
A device according to claim 15, wherein the resistance of the resistor is at least 1MΩ.
References Cited (Backward Citations)
US2218369A
Cited
US4303960A
Cited
US4481556A
Cited
US4482064A
Cited
US4482063A
Cited
US4450498A
Cited
US4586106A
Cited
US4654746A
Cited
US4758923A
Cited
JPH0268897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-07-18 | 1998-01-17 | 1998-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-18 | 2002-01-17 | 2002-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-18 | 2006-01-17 | 2006-07-19 | $7700.00 | Window Closed / Lapsed |