US3087470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportional positioning system
Assignee: General Controls Co
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Filing: 1960-05-31
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Granted: 1963-04-30
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Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Chester S Beard
- 👤 Jud E White
- 👤 Wan Chester R Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:52
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/03; Y; Y10; Y10S; Y10S60/00; Y10S60/907; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A SYSTEM OF THE CHARACTER DESCRIBED FOR POSITIONING AN ELEMENT IN ACCORDANCE WITH A CONDITION, MEANS DEVELOPING AND APPLYING A FORCE TO SAID ELEMENT IN ONE DIRECTION, MEANS DEVELOPING AND APPLYING A FORCE TO SAID ELEMENT IN A DIRECTION OPPOSITE TO SAID ONE DIRECTION, FIRST MAGNETIC MEANS POSITIONED BY SAID ELEMENT, SECOND MAGNETIC MEANS COOPERATING MAGNETICALLY WITH SAID FIRST MEANS AND POSITIONED IN ACCORDANCE WITH SAID CONDITION, AND MEANS RESPONSIVE TO THE RELATIVE POSITIONS OF THE TWO AFORE-
Claim 2
Independent Claim
78 words
A SYSTEM OF THE CHARACTER DESCRIBED FOR POSITIONING AN ELEMENT IN ACCORDANCE WITH A CONDITION, MEANS DEVELOPING AND APPLYING A FORCE TO SAID ELEMENT IN ONE DIRECTION, MEANS DEVELOPING AND APPLYING A FORCE TO SAID ELEMENT IN A DIRECTION OPPOSITE TO SAID ONE DIRECTION, FIRST MAGNETIC MEANS POSITIONED BY SAID ELEMENT, SECOND MAGNETIC MEANS COOPERATING MAGNETICALLY WITH SAID FIRST MEANS AND POSITIONED IN ACCORDANCE WITH SAID CONDITION, AND MEANS RESPONSIVE TO THE RELATIVE POSITIONS OF THE TWO AFORE-
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |