JPS529223A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Safe coupling device of a trailer
Assignee: Central Motor Co Ltd
•
Filing: 1975-07-09
•
Granted: —
•
Expires: 1995-07-09
Abstract
Abstract PURPOSE:To make it impossible to couple a trailer with a tractor whether a nose weight is heavier or lighter than a preferable value so as to ensure a safe coupling, where the nose weight is defined as weight of a front end of a trailer-drawing deviee.
Inventors
- 👤 Nobuyasu Tezuka
- 👤 Keiji Tsukagoshi
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-05 20:06
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/06; B60D1/065
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.