Patent US3188043A successfully refreshed from Google Patents.
US3188043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barber chair with electrical operation
Assignee: EMIL J PAIDAR CO
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Filing: 1961-08-30
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Granted: 1965-06-08
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Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 John A Dlouhy
- 👤 Charles L Redfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:38
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN ELEVATABLE AND ROTATABLE CHAIR MECHANISM COMPRISING A BASE FOR SUPPORTING A CHAIR, AN ELEVATING AND LOWERING MECHANISM ON THE BASE FOR SUPPORTING A FRAME FOR THE CHAIR ACCOMMODATING ROTATION OF THE FRAME, MEANS FOR PROVIDING AN ELECTRICAL CIRCUIT FROM THE BASE OF SAID ROTATABLE AND ELEVATABLE CHAIR FRAME INCLUDING FIRST CONDUCTOR ELEMENTS HAVING ANNULAR CONDUCTOR SURFACES AND SECOND CONDUCTOR ELEMENTS IN ENGAGEMENT WITH THE FIRST ELEMENTS, ONE OF SAID ELEMENTS BEING ROTATABLE AND THE OTHER BEING NON-ROTATABLE WITH RESPECT TO THE BASE WITH SAID ELEMENTS CONNECTED IN SAID CIRCUIT AND SUPPORTED ON SAID BASE TO BE AT A FIXED ELEVATION, AND VERTICAL CONDUCTOR RODS SLIDINGLY CONNECTED TO ONE OF SAID ELEMENTS AND TO SAID FRAME FOR RAISING AND LOWERING WITH THE CHAIR.
Claim 2
Dependent Claim
123 words
AN ELEVATABLE AND ROTATABLE CHAIR MECHANISM COMPRISING A BASE FOR SUPPORTING A CHAIR, AN ELEVATING AND LOWERING MECHANISM ON THE BASE FOR SUPPORTING A FRAME FOR THE CHAIR ACCOMMODATING ROTATION OF THE FRAME, MEANS FOR PROVIDING AN ELECTRICAL CIRCUIT FROM THE BASE OF SAID ROTATABLE AND ELEVATABLE CHAIR FRAME INCLUDING FIRST CONDUCTOR ELEMENTS HAVING ANNULAR CONDUCTOR SURFACES AND SECOND CONDUCTOR ELEMENTS IN ENGAGEMENT WITH THE FIRST ELEMENTS, ONE OF SAID ELEMENTS BEING ROTATABLE AND THE OTHER BEING NON-ROTATABLE WITH RESPECT TO THE BASE WITH SAID ELEMENTS CONNECTED IN SAID CIRCUIT AND SUPPORTED ON SAID BASE TO BE AT A FIXED ELEVATION, AND VERTICAL CONDUCTOR RODS SLIDINGLY CONNECTED TO ONE OF SAID ELEMENTS AND TO SAID FRAME FOR RAISING AND LOWERING WITH THE CHAIR.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |