← Back to Patent Explorer
US3305035A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical weigh scale with moving-coil detector

Assignee: Sartorius Werke GmbH
•
Filing: 1965-08-27
•
Granted: 1967-02-21
•
Expires: 1985-08-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Gast Theodor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:36
CPC Classifications
G; G01; G01G; G01G7/00; G01G7/02; G01G7/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 91 words
AN ELECTRONIC MICRO-SCALE, WHICH COMPRISES A MOVING COIL, WHICH HAS A MEAN MAJOR PLANE AND IS ARRANGED TO ROTATE ABOUT AN AXIS IN RESPONSE TO THE APPLICATION OF A LOAD TO SAID SCALE, INDICATING MEANS FOR AN INDUCED INDICATION OF THE POSITION OF SAID MOVING COIL, AND AUTOMATIC COMPENSATING MEANS, SAID AUTOMATIC COMPENSATING MEANS COMPRISING A PERMANENT MAGNET FOR PRODUCING A UNIDIRECTIONAL FIELD, SAID MAGNET CONSISTING OF LOW-PERMEABILITY MATERIAL AND DISPOSED IN SAID MOVING COIL, AND SAID INDICATING MEANS COMPRISING TWO STATIONARY, IDENTICAL FRAMELIKE FIELD COILS, WHICH ARE DISPOSED CLOSELY BESIDE
Claim 2
Dependent Claim 91 words
AN ELECTRONIC MICRO-SCALE, WHICH COMPRISES A MOVING COIL, WHICH HAS A MEAN MAJOR PLANE AND IS ARRANGED TO ROTATE ABOUT AN AXIS IN RESPONSE TO THE APPLICATION OF A LOAD TO SAID SCALE, INDICATING MEANS FOR AN INDUCED INDICATION OF THE POSITION OF SAID MOVING COIL, AND AUTOMATIC COMPENSATING MEANS, SAID AUTOMATIC COMPENSATING MEANS COMPRISING A PERMANENT MAGNET FOR PRODUCING A UNIDIRECTIONAL FIELD, SAID MAGNET CONSISTING OF LOW-PERMEABILITY MATERIAL AND DISPOSED IN SAID MOVING COIL, AND SAID INDICATING MEANS COMPRISING TWO STATIONARY, IDENTICAL FRAMELIKE FIELD COILS, WHICH ARE DISPOSED CLOSELY BESIDE

References Cited (Backward Citations)

US2832535A Cited
US2914310A Cited
US2874951A Cited
US3203494A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag