Postage estimator device
US4368791A · kind A · utility
Inventor
Key dates
| Filing date | Oct 14, 1980 |
| Grant date | Jan 18, 1983 |
| Priority date | — |
| Expiry date | Oct 14, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G1/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for estimating postage requirements for envelopes and the like, and comprising a holder for supporting the envelope during the estimating process, a balancing lever pivotally secured to the holder and having a fulcrum about which the device may rock, and a recess provided at the outer end of the lever for receiving weighted elements therein which are calculated to generally counter balance the envelope in a manner for providing an estimate of the postage requirements for mailing of the letter in the postal system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.