US5075799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnifying lens attachment for information display selective call receiver
Assignee: Motorola Solutions Inc
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Filing: 1989-07-14
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Granted: 1991-12-24
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Expires: 2009-07-14
Abstract
Abstract An apparatus is described for the magnification of an information display on a selective call receiver. The apparatus comprises an optical lens system coupled in a manner which provides for its easy attachment and removal from the selective call receiver.
Inventors
- 👤 Jerrold S. Pine
- 👤 David H. Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:31
CPC Classifications
G; G02; G02B; G02B25/00; G02B25/002; A; A45; A45F; A45F5/00; A45F5/02; A45F5/021
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
49 words
An apparatus for presenting characters appearing on a selective call receiver display, comprising: magnifying means for magnifying characters; and attachment means coupled to said magnifying means for removably securing said magnifying means to said receiver, said attachment means including a belt clip for coupling said receiver to an object.
Claim 2
Independent Claim
49 words
An apparatus for presenting characters appearing on a selective call receiver display, comprising: magnifying means for magnifying characters; and attachment means coupled to said magnifying means for removably securing said magnifying means to said receiver, said attachment means including a belt clip for coupling said receiver to an object.
Claim 3
Independent Claim
57 words
An apparatus for presenting information presented on an information display of a selective call receiver comprising: first means for magnifying said information presented on said information display; and second means for removably attaching said first means to said selective call receiver, said second means including a belt clip for coupling said selective call receiver to an object.
Claim 4
Independent Claim
57 words
An apparatus for presenting information presented on an information display of a selective call receiver comprising: first means for magnifying said information presented on said information display; and second means for removably attaching said first means to said selective call receiver, said second means including a belt clip for coupling said selective call receiver to an object.
References Cited (Backward Citations)
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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) | 1994-12-23 | 1995-06-24 | 1995-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-23 | 1999-06-24 | 1999-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-23 | 2003-06-24 | 2003-12-24 | $7700.00 | Window Closed / Lapsed |