DE3813748C2 - - Google Patents

Info

Publication number
DE3813748C2
DE3813748C2 DE19883813748 DE3813748A DE3813748C2 DE 3813748 C2 DE3813748 C2 DE 3813748C2 DE 19883813748 DE19883813748 DE 19883813748 DE 3813748 A DE3813748 A DE 3813748A DE 3813748 C2 DE3813748 C2 DE 3813748C2
Authority
DE
Germany
Prior art keywords
fine
grained material
liquid
hourglass
colored
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
DE19883813748
Other languages
German (de)
English (en)
Other versions
DE3813748A1 (de
Inventor
Alfred 6200 Wiesbaden De Ewald
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.)
EWALD, ALFRED, 65396 WALLUF, DE
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19883813748 priority Critical patent/DE3813748A1/de
Publication of DE3813748A1 publication Critical patent/DE3813748A1/de
Application granted granted Critical
Publication of DE3813748C2 publication Critical patent/DE3813748C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/04—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity
    • G04F1/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)
DE19883813748 1988-04-23 1988-04-23 Umgekehrte sanduhr Granted DE3813748A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19883813748 DE3813748A1 (de) 1988-04-23 1988-04-23 Umgekehrte sanduhr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883813748 DE3813748A1 (de) 1988-04-23 1988-04-23 Umgekehrte sanduhr

Publications (2)

Publication Number Publication Date
DE3813748A1 DE3813748A1 (de) 1989-11-09
DE3813748C2 true DE3813748C2 (enrdf_load_stackoverflow) 1990-04-26

Family

ID=6352728

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883813748 Granted DE3813748A1 (de) 1988-04-23 1988-04-23 Umgekehrte sanduhr

Country Status (1)

Country Link
DE (1) DE3813748A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3162421A1 (de) 2015-10-30 2017-05-03 Alfred Ewald Hohlkörper mit attraktiven bewegungseffekten

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19621479C2 (de) * 1996-05-29 1999-07-22 Iris Bohnet Schmuckstück
FR2795533A1 (fr) * 1999-06-22 2000-12-29 Science Et Tec Procede et appareil de mesure d'une duree
DE10013998A1 (de) * 2000-03-22 2001-09-27 Edg Europaeische Dienstleistun Zeitanzeigegerät
CN107614386B (zh) * 2016-03-23 2019-02-22 米斯特拉尔阿尔科有限责任公司 具有瓶的保持器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE923779C (de) * 1952-05-27 1955-02-21 Grete Oberhof Sanduhr
US3935702A (en) * 1972-12-08 1976-02-03 Koji Tamada Invertible timer
DE2514777A1 (de) * 1975-04-04 1976-10-14 Fichtner Hans Martin Zeitmessgeraet
DE3413062A1 (de) * 1983-04-07 1984-10-11 Staar Development Co. S.A., Brüssel Zeitspannenmessvorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3162421A1 (de) 2015-10-30 2017-05-03 Alfred Ewald Hohlkörper mit attraktiven bewegungseffekten
DE102016119401A1 (de) 2015-10-30 2017-05-04 Alfred Ewald Hohlkörper mit attraktiven Bewegungseffekten

Also Published As

Publication number Publication date
DE3813748A1 (de) 1989-11-09

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8122 Nonbinding interest in granting licenses declared
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: EWALD, ALFRED, 65396 WALLUF, DE