US5259019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus providing for a curved device with hinged cover
Assignee: Texas Instruments Inc
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Filing: 1992-09-02
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Granted: 1993-11-02
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Expires: 2012-09-02
Abstract
Abstract A curved apparatus which remains stable when placed on a substantially flat surface is shown which has a base portion with an arcuately shaped back surface capable of resting on the substantially flat surface, a hinge rotatably fixed to the base portion, and a cover secured to the hinge and rotatable therewith, to prevent rocking of the base portion when the base portion's front surface is touched while the base portion is resting on the substantially flat surface. Other devices and systems are also disclosed.
Inventors
- 👤 Russell L. Stilley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:05
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/0202; H04M1/0206; H04M1/0208; H04M1/0214; H04M1/0216; H04M1/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
141 words
A portable telephone encasement which remains stable when placed on a substantially flat surface, comprising: a base portion with an arcuately shaped back surface resting on said substantially flat surface, the base portion including a telephone receiver; a hinge rotatably fixed to said base portion; a cover secured to said hinge and rotatable therewith, disposed on said flat surface to prevent rocking of said base portion when said base portion's front surface is touched while said base portion is resting on said substantially flat surface; and wherein said hinge further comprises: a first portion bearing an extendable pin; a second portion in rotatable engagement with said first portion, bearing a plurality of indents to receive said extendable pin, and wherein said extendable pin causes said cover to lock in a fixed position whenever it encounters one of said plurality of indents.
Claim 2
Dependent Claim
141 words
A portable telephone encasement which remains stable when placed on a substantially flat surface, comprising: a base portion with an arcuately shaped back surface resting on said substantially flat surface, the base portion including a telephone receiver; a hinge rotatably fixed to said base portion; a cover secured to said hinge and rotatable therewith, disposed on said flat surface to prevent rocking of said base portion when said base portion's front surface is touched while said base portion is resting on said substantially flat surface; and wherein said hinge further comprises: a first portion bearing an extendable pin; a second portion in rotatable engagement with said first portion, bearing a plurality of indents to receive said extendable pin, and wherein said extendable pin causes said cover to lock in a fixed position whenever it encounters one of said plurality of indents.
Claim 3
Dependent Claim
17 words
The portable telephone encasement of claim 1, wherein said extendable pin is extended by a spring mechanism.
Claim 4
Dependent Claim
125 words
A curved hand holdable communication device comprising: a hand holdable base portion with an arcuately shaped back surface; a hinge rotatably fixed to said hand holdable base portion; a cover secured to said hinge and rotatable therewith, to prevent rocking of said hand holdable base portion when said hand holdable base portion is not held, but rather lies on it's arcuately shaped back surface on a substantially flat surface; and wherein said hinge further comprises: a first portion bearing a resilient projection; a second portion in rotatable engagement with said first portion, bearing a plurality of indents to receive said resilient projection, and wherein said resilient projection causes said cover to lock in a fixed position whenever it encounters one of said plurality of indents.
Claim 5
Dependent Claim
125 words
A curved hand holdable communication device comprising: a hand holdable base portion with an arcuately shaped back surface; a hinge rotatably fixed to said hand holdable base portion; a cover secured to said hinge and rotatable therewith, to prevent rocking of said hand holdable base portion when said hand holdable base portion is not held, but rather lies on it's arcuately shaped back surface on a substantially flat surface; and wherein said hinge further comprises: a first portion bearing a resilient projection; a second portion in rotatable engagement with said first portion, bearing a plurality of indents to receive said resilient projection, and wherein said resilient projection causes said cover to lock in a fixed position whenever it encounters one of said plurality of indents.
Claim 6
Dependent Claim
74 words
A telephone apparatus, comprising: a curved handset having a receiver and a display screen; a cover for covering the display screen when the cover is closed; and a hinge connected to an end of the curved handset and connected to the cover, the hinge including an extendable pin and an indent to receive the extendable pin, the extendable pin expanding into the indent when the cover is opened to lock the cover in place.
Claim 7
Dependent Claim
74 words
A telephone apparatus, comprising: a curved handset having a receiver and a display screen; a cover for covering the display screen when the cover is closed; and a hinge connected to an end of the curved handset and connected to the cover, the hinge including an extendable pin and an indent to receive the extendable pin, the extendable pin expanding into the indent when the cover is opened to lock the cover in place.
References Cited (Backward Citations)
JPS63288549A
Cited
US4856045A
Cited
EP0309341A1
Cited
JPS6489845A
Cited
US5027394A
Cited
US4845772A
Cited
JPH01319348A
Cited
US5148471A
Cited
US5197091A
Cited
US5111503A
Cited
US5117073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-11-01 | 1997-05-03 | 1997-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-01 | 2001-05-03 | 2001-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-01 | 2005-05-03 | 2005-11-02 | $7700.00 | Window Closed / Lapsed |