US3148539A
Expired / Lapsed
US
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Ideal spherical hinge for analytical framework
Assignee: Individual
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Filing: 1959-01-20
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Granted: 1964-09-15
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Expires: 1979-01-20
Abstract
No abstract record available.
Inventors
- 👤 Charles E Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:02
CPC Classifications
G; G09; G09B; G09B25/00; G09B25/04; Y; Y10; Y10S; Y10S52/00; Y10S52/10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/345; Y10T403/346; Y10T403/347; Y10T403/44; Y10T403/45; Y10T403/453
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
AN IDEAL SPHERICAL HINGE OF RESILIENT MATERIAL FOR FACILITATING VISUALLY DETERMINABLE DEFLECTION THEREOF BY RELATIVELY SLIGHT PRESSURES COMPRISING: A CENTRAL HUB HAVING AN APERTURE THERETHROUGH AND ADAPTED TO AXIALLY RECEIVE AND RELEASABLY SECURE A STRUCTURAL MEMBER; PLURAL SOCKETS OF SAID MATERIAL SECURED AT THEIR INNER REDUCED ENDS TO SAID HUB AND NORMALLY RADIATING FROM THE AXIS OF SAID APERTURE; THE DIMENSION OF SAID HUB AXIALLY OF SAID APERTURE BEING SUBSTANTIALLY LESS THAN THE PARALLEL DIMENSION OF SAID SOCKETS WHEREBY TO PROVIDE INCREASED FLEXIBILITY FOR PRESSURE SENSITIVE DEFORMATION.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |