Patent US3281872A successfully refreshed from Google Patents.
US3281872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hospital bed
Assignee: JOERNS FURNITURE COMPANY Inc
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Filing: 1962-11-07
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Granted: 1966-11-01
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Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 Ronald D Dewey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:20
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/012
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
IN A ADJUSTABLE BED HAVING A FRAME ASSEMBLY AND CABLE MEANS FOR ELEVATING AND LOWERING THE BED, ACTUATING MECHANISM FOR THE CABLE MEANS COMPRISING, ANTI-FRICTION DRIVE MEANS MOUNTED ON THE FRAME ASSEMBLY AND CONNECTED TO THE CABLE MEANS FOR ELEVATING AND LOWERING THE BED, AN ELONGATED SCREW SHAFT, RECIRCULATING BALL NUT MEANS THREADEDLY ENGAGEABLE WITH SAID SCREW SHAFT, A CABLE CARRIER MOUNTED ON THE BALL NUT MEANS AND GUIDINGLY ENGAGEABLE WITH THE FRAME ASSEMBLY FOR VERTICAL DISPLACEMENT WITH THE BALL NUT MEANS, GEAR MEANS DRIVINGLY CONNECTED TO THE SCREW SHAFT AT AN UPPER END THEREOF ADAPTED TO BE DRIVEN BY A MANUALLY OPERATED CRANK AND MEANS MOUNTED ON A LOWER END OF SAID SCREW SHAFT BELOW THE DRIVE RELEASE BRAKE MEANS FOR POWERED DRIVE OF THE SHAFT, SAID DRIVE
References Cited (Backward Citations)
US1449851A
Cited
US1526806A
Cited
US2339075A
Cited
US2555160A
Cited
US2827641A
Cited
US2872688A
Cited
US3015113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |