US3237902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental tray supporting mechanism
Assignee: J Morita Manufaturing Corp
•
Filing: 1964-06-01
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Granted: 1966-03-01
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Hayashi Kazuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:56
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/14; A47; A47B; A47B9/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18952
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A DENTAL TRAY SUPPORTING MECHANISM COMPRISING: A LINKAGE COMPRISING A PAIR OF PARALLEL LINKS AND A BALANCING SPRING; TRAY SUPPORTING MEANS ASSOCIATED WITH SAID LINKS AND EXTENDING DOWNWARDLY FROM ONE END THEREOF FOR SUPPORTING A TRAY AT A LEVEL LOWER THAN AND SUBSTANTIALLY REMOTE FROM SAID ONE END OF SAID PARALLEL LINKS; AND MEANS FOR RELEASABLY ENGAING SAID TRAY SUPPORTING MEANS WITH AT LEAST ONE OF SAID PARALLEL LINKS TO SELECTIVELY PREVENT RELATIVE MOVEMENT THEREBETWEEN AND INCLUDING A CONTROL MEMBER POSITIONED INTERMEDIATE SAID ONE END OF SAID LINKS AND THE LOWER END OF SAID TRAY SUPPORTING MEANS.
Claim 2
Dependent Claim
97 words
A DENTAL TRAY SUPPORTING MECHANISM COMPRISING: A LINKAGE COMPRISING A PAIR OF PARALLEL LINKS AND A BALANCING SPRING; TRAY SUPPORTING MEANS ASSOCIATED WITH SAID LINKS AND EXTENDING DOWNWARDLY FROM ONE END THEREOF FOR SUPPORTING A TRAY AT A LEVEL LOWER THAN AND SUBSTANTIALLY REMOTE FROM SAID ONE END OF SAID PARALLEL LINKS; AND MEANS FOR RELEASABLY ENGAING SAID TRAY SUPPORTING MEANS WITH AT LEAST ONE OF SAID PARALLEL LINKS TO SELECTIVELY PREVENT RELATIVE MOVEMENT THEREBETWEEN AND INCLUDING A CONTROL MEMBER POSITIONED INTERMEDIATE SAID ONE END OF SAID LINKS AND THE LOWER END OF SAID TRAY SUPPORTING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |