Patent US3071412A successfully refreshed from Google Patents.
US3071412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head rest
Assignee: Individual
•
Filing: 1959-11-30
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Granted: 1963-01-01
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Expires: 1979-11-30
Abstract
No abstract record available.
Inventors
- 👤 John B Meade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:39
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/38; A61; A61G; A61G15/00; A61G15/10; A61G15/12; A61G15/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A HEADREST FOR DENTAL CHAIRS AND THE LIKE COMPRISING: A SLIDE PLATE; A FIRST RATCHET HINGE MEMBER SECURED TO ONE END OF SAID SLIDE PLATE; A SHOULDER SUPPORT PLATE HINGEDLY SECURED TO SAID SLIDE PLATE BY SAID RATCHET HINGE MEMBER; A SECOND RATCHET HINGE MEMBER IN SPACED RELATIONSHIP TO SAID FIRST HINGE MEMBER AND SECURED TO SAID SHOULDER SUPPORT PLATE; AND A HEADREST PLATE HINGEDLY SECURED TO SAID SHOULDER SUPPORT PLATE.
Claim 2
Dependent Claim
71 words
A HEADREST FOR DENTAL CHAIRS AND THE LIKE COMPRISING: A SLIDE PLATE; A FIRST RATCHET HINGE MEMBER SECURED TO ONE END OF SAID SLIDE PLATE; A SHOULDER SUPPORT PLATE HINGEDLY SECURED TO SAID SLIDE PLATE BY SAID RATCHET HINGE MEMBER; A SECOND RATCHET HINGE MEMBER IN SPACED RELATIONSHIP TO SAID FIRST HINGE MEMBER AND SECURED TO SAID SHOULDER SUPPORT PLATE; AND A HEADREST PLATE HINGEDLY SECURED TO SAID SHOULDER SUPPORT PLATE.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |