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US4937859A Expired / Lapsed US ⏱️ 0.0 years remaining

Telephone handset for table and wall operation

Assignee: Siemens AG
•
Filing: 1989-03-23
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Granted: 1990-06-26
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Expires: 2009-03-23
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Abstract

Abstract A projection of a retaining element swivel-mounted inside a base part of a telephone set projects through the region of the cradle for the handset of the telephone set. The projection engages in a recess of the handset. The retaining element is directly connected with the switch bar for the cradle switch, swivel-mounted and under spring tension.

Inventors

  • 👤 Hans-Dieter Osterloh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 20:16
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/0297; H04M1/04; H04M1/06

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 127 words
A telephone set for table and wall operation comprising: a handset having a recess therein; a base part having at least one cradle for said handset, said base part including a cradle switch; means for actuating said cradle switch and retaining said handset, said means being swivel mounted inside said base part and comprising at one end a switch bar for said cradle switch and on the other end a retaining element, said switch bar projecting through said cradle and said retaining element having a projection which projects beyond said cradle and which engages in said recess of said handset in response to the direct actuation of said switch bar by said handset; and spring means urging said switch bar beyond said cradle and against said handset.
Claim 2
Dependent Claim 127 words
A telephone set for table and wall operation comprising: a handset having a recess therein; a base part having at least one cradle for said handset, said base part including a cradle switch; means for actuating said cradle switch and retaining said handset, said means being swivel mounted inside said base part and comprising at one end a switch bar for said cradle switch and on the other end a retaining element, said switch bar projecting through said cradle and said retaining element having a projection which projects beyond said cradle and which engages in said recess of said handset in response to the direct actuation of said switch bar by said handset; and spring means urging said switch bar beyond said cradle and against said handset.
Claim 3
Dependent Claim 22 words
A telephone set according to claim 1, wherein said projection of the retaining element has a spherical shape at its end region.
Claim 4
Dependent Claim 17 words
A telephone set according to claim 1, wherein said retaining element is integral with said switch bar.
Claim 5
Dependent Claim 17 words
A telephone set according to claim 2, wherein said retaining element is integral with said switch bar.

References Cited (Backward Citations)

US2949509A Cited
US4517420A Cited
US4768225A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-06-25 1993-12-25 1994-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-06-25 1997-12-25 1998-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-06-25 2001-12-25 2002-06-26 $7700.00 Window Closed / Lapsed

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