Patent US5025921A successfully refreshed from Google Patents.
US5025921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Environmental radio guard
Assignee: Motorola Solutions Inc
•
Filing: 1990-08-17
•
Granted: 1991-06-25
•
Expires: 2010-08-17
Abstract
Abstract A protective cover (20) for a communication device (10) comprises a protective layer having a shape closely resembling the shape of said communication device (10) to closely contour to said communication device (10).
Inventors
- 👤 Bernard V. Gasparaitis
- 👤 Jose Ruiz
- 👤 Donald F. Gatto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/3827; H04B1/3888; H04B2001/3894; Y; Y10; Y10S; Y10S224/00; Y10S224/929; Y10S224/93
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
56 words
A protective cover for a communication device comprising: a protective layer having a first detachable portion and a second detachable portion overlappable around said communication device to have a shape enclosing and closely resembling the shape of said communication device; and at least one serrated tube for permitting turning a rotary knob of said communication device.
Claim 2
Dependent Claim
56 words
A protective cover for a communication device comprising: a protective layer having a first detachable portion and a second detachable portion overlappable around said communication device to have a shape enclosing and closely resembling the shape of said communication device; and at least one serrated tube for permitting turning a rotary knob of said communication device.
Claim 3
Dependent Claim
20 words
The protective cover of claim 1 wherein said protective layer is flexibly resilient for permitting operation of said communication device.
Claim 4
Dependent Claim
20 words
The protective cover of claim 2 wherein said protective layer includes serrations for rotating a knob of said communication device.
Claim 5
Dependent Claim
19 words
The protective cover of claim 1 wherein said protective layer comprises a plastic material for sealing said communication device.
Claim 6
Dependent Claim
19 words
The protective cover of claim 1 wherein said protective layer comprises a non-porous material for sealing said communication device.
Claim 7
Dependent Claim
19 words
The protective cover of claim 1 wherein said protective layer comprises a water-tight material for water-proofing said communication device.
Claim 8
Dependent Claim
19 words
The protective cover of claim 1 wherein said protective layer comprises a polyethylene material for sealing said communication device.
Claim 9
Dependent Claim
42 words
The protective cover of claim 1 wherein said protective layer having at least one curved area of increased thickness on at least one of the inner surfaces thereof so as to provide shock absorption means for protecting said communication device against drops.
Claim 10
Dependent Claim
21 words
The protective cover of claim 1 wherein said protective layer includes attachment means for attaching said communication device to an operator.
Claim 11
Dependent Claim
69 words
A protective cover for a communication device, comprising: a protective layer having a first detachable portion and a second detachable portion inter-engagable to have a contour corresponding to said communication device; and environmental sealing means for sealing and overlapping said first and second detachable portions of said protective layer around said communication device; and at least one serrated tube for permitting turning a rotary knob of said communication device.
Claim 12
Dependent Claim
69 words
A protective cover for a communication device, comprising: a protective layer having a first detachable portion and a second detachable portion inter-engagable to have a contour corresponding to said communication device; and environmental sealing means for sealing and overlapping said first and second detachable portions of said protective layer around said communication device; and at least one serrated tube for permitting turning a rotary knob of said communication device.
Claim 13
Dependent Claim
21 words
The protective cover of claim 10 wherein said environment sealing means is positioned substantially around a battery of said communication device.
References Cited (Backward Citations)
US2467471A
Cited
US3081807A
Cited
CH377714A
Cited
US4006764A
Cited
US3959610A
Cited
US4071065A
Cited
US4225970A
Cited
DE2904132A1
Cited
WO1981000654A1
Cited
US4420078A
Cited
US4584718A
Cited
US4489770A
Cited
US4855845A
Cited
US4775083A
Cited
US4901852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-06-24 | 1994-12-24 | 1995-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-24 | 1998-12-24 | 1999-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-24 | 2002-12-24 | 2003-06-25 | $7700.00 | Window Closed / Lapsed |