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US D269,852 SGranted

Lock washer

OwnerBengt O. Frieberginventor

Life of this patent

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Abstract

The abstract isn’t available for this document.

Claims1

Dependent claims

The ornamental design for a lock washer, as shown.

Facts

Application: 06/310,532Filed 13 Oct 1981 · division
Priority: 21 Mar 1980
Granted: 26 Jul 1983
Term ends: Not estimatedThe source records don’t support an estimate.

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Family

Serial131,938Parent of this division · filed 21 Mar 1980
US D263,792 SParent of this division
US D269,852 SThis patent

From the US filing history. Foreign family members aren’t listed.

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