US5134245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lap-top computer operators protective device
Assignee: Individual
•
Filing: 1991-05-31
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Granted: 1992-07-28
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Expires: 2011-05-31
Abstract
Abstract A low cost non-electric device to afford some protection to the operators of lap top computers from the electromagnetic fields emitted therefrom and to provide a comfortable cushion to rest the computer upon.
Inventors
- 👤 Joseph M. Katz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:48
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/18; G06F1/181; G06F1/182; G06F1/1613; G06F1/1628; H; H05; H05K; H05K9/00; H05K9/0007; H05K9/0045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
An assembly for attenuating the passage of electromagnetic energy emitted from a lap-top computer, said assembly comprising: (a) a tray having a base and upright sides; (b) a first aluminum foil being placed on said base and a second aluminum foil being placed along said upright sides; (c) a cushion having two horizontal pieces with a third aluminum foil between said two pieces, said cushion being integrally fastened to said base; (d) a first grounding connector being connected to said first aluminum foil, a second grounding connector being connected to said second aluminum foil, a third grounding connector being connected to said third aluminum foil, said second grounding connector being made to penetrate an upright side through a hole; and (e) grounding wires being attached to said grounding connectors to form a circuit.
Claim 2
Dependent Claim
133 words
An assembly for attenuating the passage of electromagnetic energy emitted from a lap-top computer, said assembly comprising: (a) a tray having a base and upright sides; (b) a first aluminum foil being placed on said base and a second aluminum foil being placed along said upright sides; (c) a cushion having two horizontal pieces with a third aluminum foil between said two pieces, said cushion being integrally fastened to said base; (d) a first grounding connector being connected to said first aluminum foil, a second grounding connector being connected to said second aluminum foil, a third grounding connector being connected to said third aluminum foil, said second grounding connector being made to penetrate an upright side through a hole; and (e) grounding wires being attached to said grounding connectors to form a circuit.
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) | 1995-07-28 | 1996-01-27 | 1996-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-28 | 2000-01-27 | 2000-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-28 | 2004-01-27 | 2004-07-28 | $7700.00 | Window Closed / Lapsed |