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US3091870A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic-cohesion models of scientific and mathematical structures

Assignee: Individual
•
Filing: 1959-08-10
•
Granted: 1963-06-04
•
Expires: 1979-08-10
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Abstract

No abstract record available.

Inventors

  • 👤 Harold L Sangster

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 13:14
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/26; Y; Y10; Y10S; Y10S428/00; Y10S428/90

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 89 words
A MODEL ELEMENT COMPRISING A BODY OF SOLID MATERIAL DISTRIBUTED ABOUT AT LEAST ONE AXIS AND HAVING AN EXTERNAL COMPLETELY CLOSED SURFACE DEFINING ABOUT SAID AXIS A SIMPLE THREE-DIMENSIONAL GEOMETRICAL SOLID CONFIGURATION; PERMANENT MAGNETIC MEANS CARRIED BY SAID BODY FOR ESTABLISHING PREDETERMINED PERMANENT MAGNETIC POLES DISTRIBUTED CONTINUOUSLY OVER THE ENTIRE RESPECTIVE EXTERNAL SURFACE PORTIONS OF SAID BODY LYING ON OPPOSITE SIDES OF PERIPHERAL MAGNETICALLY NEUTRAL ZONE WHICH IS AT THE INTERSECTION OF THE SAID EXTERNAL SURFACE WITH A MEDIAN PLANE OF SAID BODY THAT IS PERPENDICULAR TO SAID AXIS.
Claim 2
Dependent Claim 89 words
A MODEL ELEMENT COMPRISING A BODY OF SOLID MATERIAL DISTRIBUTED ABOUT AT LEAST ONE AXIS AND HAVING AN EXTERNAL COMPLETELY CLOSED SURFACE DEFINING ABOUT SAID AXIS A SIMPLE THREE-DIMENSIONAL GEOMETRICAL SOLID CONFIGURATION; PERMANENT MAGNETIC MEANS CARRIED BY SAID BODY FOR ESTABLISHING PREDETERMINED PERMANENT MAGNETIC POLES DISTRIBUTED CONTINUOUSLY OVER THE ENTIRE RESPECTIVE EXTERNAL SURFACE PORTIONS OF SAID BODY LYING ON OPPOSITE SIDES OF PERIPHERAL MAGNETICALLY NEUTRAL ZONE WHICH IS AT THE INTERSECTION OF THE SAID EXTERNAL SURFACE WITH A MEDIAN PLANE OF SAID BODY THAT IS PERPENDICULAR TO SAID AXIS.

References Cited (Backward Citations)

GB189701999A Cited
US2277057A Cited
US2475450A Cited
US2546344A Cited
GB713955A Cited
US2839841A Cited
US2882617A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-06-03 1966-12-03 1967-06-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-06-03 1970-12-03 1971-06-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-06-03 1974-12-03 1975-06-04 $7700.00 Window Closed / Lapsed

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