Aircraft navigation plotter (US D249,656 S)

Overview

The published document from the USPTO: abstract, claims, description. Open it full size

Read the whole patent

Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Google Patents USPTO PDF

Why it's free to use

Granted September 26, 1978. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 26, 1992.
A design patent protects only how a product looks. We check US rights only.

FiledJanuary 10, 1977

GrantedSeptember 26, 1978

Term endedSeptember 26, 1992

Application number05/758052

Classification (CPC)—

Length3 pages

Timeline

Timeline From USPTO dates

Sources & verification

Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTO File historyStatus, office actions, notices, fee records and petitions.USPTO Patent Center Patent Public Search recordSearchable full text and bibliographic data.USPTO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.com Justia PatentsFull text, claims and classification.patents.justia.com FreePatentsOnlineFull text and PDF.freepatentsonline.com EspacenetForeign family and legal status.European Patent Office

Everything on this page comes from the USPTO record linked above.