DE29721493U1 - Audiospion für Türen - Google Patents

Audiospion für Türen

Info

Publication number
DE29721493U1
DE29721493U1 DE29721493U DE29721493U DE29721493U1 DE 29721493 U1 DE29721493 U1 DE 29721493U1 DE 29721493 U DE29721493 U DE 29721493U DE 29721493 U DE29721493 U DE 29721493U DE 29721493 U1 DE29721493 U1 DE 29721493U1
Authority
DE
Germany
Prior art keywords
doors
audio spy
spy
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE29721493U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stocksmeier Eckart Drmed 32657 Lemgo De
Original Assignee
Stocksmeier Eckart Drmed 32657 Lemgo De
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stocksmeier Eckart Drmed 32657 Lemgo De filed Critical Stocksmeier Eckart Drmed 32657 Lemgo De
Priority to DE29721493U priority Critical patent/DE29721493U1/de
Publication of DE29721493U1 publication Critical patent/DE29721493U1/de
Priority to US09/205,098 priority patent/US6006474A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows
DE29721493U 1997-12-05 1997-12-05 Audiospion für Türen Expired - Lifetime DE29721493U1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29721493U DE29721493U1 (de) 1997-12-05 1997-12-05 Audiospion für Türen
US09/205,098 US6006474A (en) 1997-12-05 1998-12-03 Audio peephole for doors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29721493U DE29721493U1 (de) 1997-12-05 1997-12-05 Audiospion für Türen

Publications (1)

Publication Number Publication Date
DE29721493U1 true DE29721493U1 (de) 1998-02-12

Family

ID=8049520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29721493U Expired - Lifetime DE29721493U1 (de) 1997-12-05 1997-12-05 Audiospion für Türen

Country Status (2)

Country Link
US (1) US6006474A (de)
DE (1) DE29721493U1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593240A (zh) * 2016-11-22 2017-04-26 重庆欧帆门业有限公司 除菌防盗门

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7578255B2 (en) * 2007-08-13 2009-08-25 Lisa Marlene Pittenger Combination door knocker, peep hole, and decoration hanger
CN102392590A (zh) * 2011-09-22 2012-03-28 雷先鸣 一种猫眼防护装置
US10731394B2 (en) * 2018-07-19 2020-08-04 Dan Emrich Two-sided door usage safety system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US775798A (en) * 1904-03-22 1904-11-22 Laverne N Atwater Window-ventilator.
US1340673A (en) * 1918-06-05 1920-05-18 Roe John James Augustus Ventilator
US4644687A (en) * 1985-07-22 1987-02-24 Liou Shu L Door with a shutter device
US5671564A (en) * 1996-12-20 1997-09-30 Lyle; Stanley D. Communication portal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593240A (zh) * 2016-11-22 2017-04-26 重庆欧帆门业有限公司 除菌防盗门

Also Published As

Publication number Publication date
US6006474A (en) 1999-12-28

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Legal Events

Date Code Title Description
R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: E06B0003300000

Ipc: E06B0007300000

R207 Utility model specification

Effective date: 19980326

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20010220

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20040722

R158 Lapse of ip right after 8 years

Effective date: 20060701