Patent US3232574A successfully refreshed from Google Patents.
US3232574A
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Adjustable counterbalancing structure
Assignee: Contour Chair Lounge Co Inc
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Filing: 1963-05-22
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Granted: 1966-02-01
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Ferro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:26
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/14; A47C1/143; A47C1/02; A47C1/022; A47C1/024; A47C1/026; A47C3/00; A47C3/02; A47C3/025; A47C3/0257; A47C3/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A MANUALLY ADJUSTABLE LOUNGE CHAIR COMPRISING, IN COMBINATION, A STATIONARY BASE, A TOP PORTION MOUNTED ON SAID BASE FOR MANUAL RECIPROCATION IN RESPECT THERETO BETWEENT WO EXTREME POSITIONS OF MOVEMENT, MOVABLE MEANS FOR MAINTAINING SAID TOP PORTION IN INTERMEDIATE POSITIONS OF ADJUSTMENTS, MEANS FOR EFFECTING MOVEMENT OF SAID MOVABLE MEANS, MEANS BIASING SAID TOP PORTION TOWARD A PREDETERMINED INTERMEDIATE POSITION OF REST IN RESPECT TO SAID BASE, AND MEANS FOR ADJUSTING SAID BIASING MEANS TO VARY THE POSITION OF REST, SAID BIASING MEANS COMPRISING A PAIR OF TENSION SPRINGS, EACH SPRING BEING CONNECTED TO SAID TOP PORTION AND EACH SPRING BEING CONNECTED TO SAID BASE, SAID CONNECTIONS TO SAID TOP PORTION BEING INTERIORLY OF THE CHAIR WITH RESPECT TO SAID CONNECTIONS TO SAID BASE, SAID ADJUSTING MEANS FOR SAID BIASING MEANS INCLUDING A SEPARATE INDEPENDENTLY OPERABLE SCREW DEVICE FOR EACH SPRING INCLUDING AN ACTUATING KNOB DISPOSED EXTERIORLY OF THE BASE FOR READY ACCESS.
Claim 2
Dependent Claim
153 words
A MANUALLY ADJUSTABLE LOUNGE CHAIR COMPRISING, IN COMBINATION, A STATIONARY BASE, A TOP PORTION MOUNTED ON SAID BASE FOR MANUAL RECIPROCATION IN RESPECT THERETO BETWEENT WO EXTREME POSITIONS OF MOVEMENT, MOVABLE MEANS FOR MAINTAINING SAID TOP PORTION IN INTERMEDIATE POSITIONS OF ADJUSTMENTS, MEANS FOR EFFECTING MOVEMENT OF SAID MOVABLE MEANS, MEANS BIASING SAID TOP PORTION TOWARD A PREDETERMINED INTERMEDIATE POSITION OF REST IN RESPECT TO SAID BASE, AND MEANS FOR ADJUSTING SAID BIASING MEANS TO VARY THE POSITION OF REST, SAID BIASING MEANS COMPRISING A PAIR OF TENSION SPRINGS, EACH SPRING BEING CONNECTED TO SAID TOP PORTION AND EACH SPRING BEING CONNECTED TO SAID BASE, SAID CONNECTIONS TO SAID TOP PORTION BEING INTERIORLY OF THE CHAIR WITH RESPECT TO SAID CONNECTIONS TO SAID BASE, SAID ADJUSTING MEANS FOR SAID BIASING MEANS INCLUDING A SEPARATE INDEPENDENTLY OPERABLE SCREW DEVICE FOR EACH SPRING INCLUDING AN ACTUATING KNOB DISPOSED EXTERIORLY OF THE BASE FOR READY ACCESS.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |