Patent US3098128A successfully refreshed from Google Patents.
US3098128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head rests for dental chairs and the like
Assignee: Individual
•
Filing: 1961-07-14
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Granted: 1963-07-16
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Expires: 1981-07-14
Abstract
No abstract record available.
Inventors
- 👤 Anthony L Audin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:21
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/10; A61G15/12; A61G15/125; Y; Y10; Y10S; Y10S5/00; Y10S5/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A HEAD REST FOR A DENTAL CHAIR AND THE LIKE COMPRISING A SUPPORT MEMBER, A SINGLE, THIN FLEXIBLE PLATE HAVING A LENGTH SUFFICIENT TO EXTEND ACROSS THE BACK OF A PATIENT''S HEAD, SPACED MOUNTING MEMBERS SECURED RIGIDLY TO THE BACK OF SAID PLATE ADJACENT OPPOSITE LONGITUDINAL ENDS THEREOF, RESPECTIVELY, AND A PAIR OF SPACED LINKS, ONE OF SAID LINKS CONNECTING ONE OF SAID MOUNTING MEMBERS TO ONE END OF SUPPORT MEMBER, AND THE OTHER OF SAID LINKS CONNECTING THE OTHER OF SAID MOUNTING MEMBERS TO THE OTHER END OF SUPPORT MEMBER, THE CONNECTION OF SAID LINKS WITH SAID MOUNTING MEMBERS AND WITH SAID SUPPORT MEMBER COMPRISING FOR CORRESPONDING ENDS AT ONE END OF SAID LINKS, A PIVOTAL CONNECTION ABOUT AN AXIS TRANSVERSE TO THE LONGITUDINAL DIRECTION OF SAID PLATE, AND COMPRISING FOR THE CORRESPONDING OPPOSITE ENDS OF SAID LINKS A SLIDABLE CONNECTION LONGITUDINALLY OF SAID PLATE, WHEREBY SAID PLATE MAY FLEX BETWEEN SAID MEMBERS UNDER WEIGHT OF A PATIENT''S HEAD WHEN THE LATTER IS PRESSED AGAINST THE PLATE, AND SO THAT SAID PLATE WILL CRADLE THE PATIENT''S HEAD BETWEEN SAID MEMBERS.
Claim 2
Dependent Claim
181 words
A HEAD REST FOR A DENTAL CHAIR AND THE LIKE COMPRISING A SUPPORT MEMBER, A SINGLE, THIN FLEXIBLE PLATE HAVING A LENGTH SUFFICIENT TO EXTEND ACROSS THE BACK OF A PATIENT''S HEAD, SPACED MOUNTING MEMBERS SECURED RIGIDLY TO THE BACK OF SAID PLATE ADJACENT OPPOSITE LONGITUDINAL ENDS THEREOF, RESPECTIVELY, AND A PAIR OF SPACED LINKS, ONE OF SAID LINKS CONNECTING ONE OF SAID MOUNTING MEMBERS TO ONE END OF SUPPORT MEMBER, AND THE OTHER OF SAID LINKS CONNECTING THE OTHER OF SAID MOUNTING MEMBERS TO THE OTHER END OF SUPPORT MEMBER, THE CONNECTION OF SAID LINKS WITH SAID MOUNTING MEMBERS AND WITH SAID SUPPORT MEMBER COMPRISING FOR CORRESPONDING ENDS AT ONE END OF SAID LINKS, A PIVOTAL CONNECTION ABOUT AN AXIS TRANSVERSE TO THE LONGITUDINAL DIRECTION OF SAID PLATE, AND COMPRISING FOR THE CORRESPONDING OPPOSITE ENDS OF SAID LINKS A SLIDABLE CONNECTION LONGITUDINALLY OF SAID PLATE, WHEREBY SAID PLATE MAY FLEX BETWEEN SAID MEMBERS UNDER WEIGHT OF A PATIENT''S HEAD WHEN THE LATTER IS PRESSED AGAINST THE PLATE, AND SO THAT SAID PLATE WILL CRADLE THE PATIENT''S HEAD BETWEEN SAID MEMBERS.
References Cited (Backward Citations)
US2527656A
Cited
US2864433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |