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Current content: 159 823 134 patent documents

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143 307 new documents added

1 003 170 documents amended

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EP 0050400 A3 19830105 - VERTICAL DESCENT RATE DETECTOR SWITCH

Title (en)

VERTICAL DESCENT RATE DETECTOR SWITCH

Publication

EP 0050400 A3 19830105 (EN)

Application

EP 81303449 A 19810727

Priority

US 19739580 A 19801016

Abstract (en)

[origin: EP0050400A2] A vertical descent rate detector switch has a pair of contacts which are magnetically actuated when the rate of vertical descent of the switch exceeds a set amount.

IPC 1-7

H01H 36/00; H01H 35/14

IPC 8 full level

G01P 15/135 (2006.01); B64F 1/305 (2006.01); H01H 35/14 (2006.01)

CPC (source: EP)

H01H 35/147 (2013.01)

Citation (search report)

[X] DE 2643355 B2 19790523
[A] US 3646293 A 19720229 - HOWARD WILLIAM A
[A] US 3737599 A 19730605 - ZUVELA B

Designated contracting state (EPC)

BE CH DE FR GB LI NL SE

DOCDB simple family (publication)

EP 0050400 A2 19820428; EP 0050400 A3 19830105; AU 7627581 A 19820422; CA 1167132 A 19840508; JP S5796266 A 19820615

DOCDB simple family (application)

EP 81303449 A 19810727; AU 7627581 A 19811013; CA 382271 A 19810722; JP 16559281 A 19811015