Patent US3305035A successfully refreshed from Google Patents.
US3305035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical weigh scale with moving-coil detector
Assignee: Sartorius Werke GmbH
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Filing: 1965-08-27
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Granted: 1967-02-21
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Gast Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:47
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)
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 |