Patent US3302971A successfully refreshed from Google Patents.
US3302971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental chairs
Assignee: E QUETIN ETS
•
Filing: 1965-04-09
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Granted: 1967-02-07
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Expires: 1985-04-09
Abstract
No abstract record available.
Inventors
- 👤 Lory Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:26
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/02; A47; A47C; A47C3/00; A47C3/20; A47C3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A POWER OPERATED DENTAL CHAIR COMPRISING A DENTAL CHAIR HAVING A SEAT, A BASE FOR SAID CHAIR, AN ACTUATING MEMBER, A POWER UNIT DISPOSED IN A CASING IMMEDIATELY BENEATH SAID SEAT OF SAID CHAIR AND CONNECTED WITH SAID CHAIR AND SAID ACTUATING MEMBER, SAID CASING AND POWER UNIT BEING DISPLACED TO ONE SIDE OF A VERTICAL PLANE EXTENDING LONGITUDINALLY AND CENTRALLY OF SAID CHAIR IN WHICH PLANE IS LOCATED THE AXIS OF SAID ACTUATING MEMBER WHICH SERVES TO RAISE AND LOWER SAID SEAT OF SAID CHAIR, SAID SEAT BEING HINGEDLY CONNECTED TO SAID CASING AND TO A PARALLELO-
Claim 2
Dependent Claim
98 words
A POWER OPERATED DENTAL CHAIR COMPRISING A DENTAL CHAIR HAVING A SEAT, A BASE FOR SAID CHAIR, AN ACTUATING MEMBER, A POWER UNIT DISPOSED IN A CASING IMMEDIATELY BENEATH SAID SEAT OF SAID CHAIR AND CONNECTED WITH SAID CHAIR AND SAID ACTUATING MEMBER, SAID CASING AND POWER UNIT BEING DISPLACED TO ONE SIDE OF A VERTICAL PLANE EXTENDING LONGITUDINALLY AND CENTRALLY OF SAID CHAIR IN WHICH PLANE IS LOCATED THE AXIS OF SAID ACTUATING MEMBER WHICH SERVES TO RAISE AND LOWER SAID SEAT OF SAID CHAIR, SAID SEAT BEING HINGEDLY CONNECTED TO SAID CASING AND TO A PARALLELO-
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |