US3112971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric supply for barber chairs
Assignee: Individual
•
Filing: 1961-08-03
•
Granted: 1963-12-03
•
Expires: 1981-08-03
Abstract
No abstract record available.
Inventors
- 👤 Eck John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:30
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/04; A47C1/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN COMBINATION WITH A CHAIR VERTICALLY RECIPROCABLE AND REVOLVABLE ON A BASE, A PAIR OF VERTICALLY SPACED COAXIAL CONDUCTOR RINGS MOUNTED ABOUT SAID BASE IN INSULATED RELATION TO ONE ANOTHER AND SAID BASE, A PAIR OF SLIDABLE CONTACT ASSEMBLIES ENGAGED RESPECTIVELY WITH SAID RINGS AND EACH INCLUDING A CONTACT CONDUCTIVELY ENGAGING THE RESPECTIVE RING AND INSULATING GUIDES INCLUDING PORTIONS SPACED RADIALLY FROM SAID RINGS, A ROD DEPENDING FROM THE CHAIR AND ENGAGED WITH BOTH OF SAID GUIDES FOR CAUSING THE CONTACT ASSEMBLIES TO ROTATE CONJOINTLY WITH THE CHAIR, SAID ROD BEING SLIDABLY ENGAGED WITH SAID GUIDES IN THE VERTICAL DIRECTION AND BEING OF A LENGTH GREATER THAN THE PATH OF VERTICAL RECIPROCATION OF THE CHAIR, ELECTRICAL SUPPLY CONDUCTORS CONNECTED TO SAID RINGS, ELECTRICAL CONDUCTORS CONNECTED TO SAID CONTACTS, AND AN ELECTRICAL OUTLET MOUNTED ON SAID CHAIR AND CONNECTED TO THE LATTER CONDUCTORS.
Claim 2
Dependent Claim
142 words
IN COMBINATION WITH A CHAIR VERTICALLY RECIPROCABLE AND REVOLVABLE ON A BASE, A PAIR OF VERTICALLY SPACED COAXIAL CONDUCTOR RINGS MOUNTED ABOUT SAID BASE IN INSULATED RELATION TO ONE ANOTHER AND SAID BASE, A PAIR OF SLIDABLE CONTACT ASSEMBLIES ENGAGED RESPECTIVELY WITH SAID RINGS AND EACH INCLUDING A CONTACT CONDUCTIVELY ENGAGING THE RESPECTIVE RING AND INSULATING GUIDES INCLUDING PORTIONS SPACED RADIALLY FROM SAID RINGS, A ROD DEPENDING FROM THE CHAIR AND ENGAGED WITH BOTH OF SAID GUIDES FOR CAUSING THE CONTACT ASSEMBLIES TO ROTATE CONJOINTLY WITH THE CHAIR, SAID ROD BEING SLIDABLY ENGAGED WITH SAID GUIDES IN THE VERTICAL DIRECTION AND BEING OF A LENGTH GREATER THAN THE PATH OF VERTICAL RECIPROCATION OF THE CHAIR, ELECTRICAL SUPPLY CONDUCTORS CONNECTED TO SAID RINGS, ELECTRICAL CONDUCTORS CONNECTED TO SAID CONTACTS, AND AN ELECTRICAL OUTLET MOUNTED ON SAID CHAIR AND CONNECTED TO THE LATTER CONDUCTORS.
References Cited (Backward Citations)
US1534271A
Cited
US2586595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |