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US3581320A Expired / Lapsed US ⏱️ 0.0 years remaining

Under mattress for reclining furniture

Assignee: Marpal AG
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Filing: 1969-04-18
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Granted: 1971-06-01
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Expires: 1989-04-18
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Abstract

Abstract AN UNDER MATTRESS FOR RECLINING FURNITURE HAVING A FRAME WHICH IS PIVOTALLY MOUNTED IN SIDE PORTIONS OF THE RECLINING FURNITURE AND IS SUBDIVIDED INTO AT LEAST TWO SECTIONS WHICH ARE RELATIVELY PIVOTABLE ABOUT AN AXIS TRANSVERSE TO THE LONGITUDINAL AXIS OF THE RECLINING FURNITURE. THE ANGULAR POSITION OF THE TWO SECTIONS IS LOCKABLE BY A STOP MEANS OPERABLE BY A PERSON RESTING ON THE UNDER MATTRESS IN A SUBSTANTIALLY HORIZONAL STOP POSITION AND ONE OTHER STOP POSITION. THE STOP MEANS HAS ON EACH SIDE OF ONE FRAME SECTION A PIVOTALLY MOUNTED LOCKING MEMBER OVERLAPPING THE ADJACENT FRAME SECTION TO POSITIVELY ENGAGE WITH LOCKING MEANS PROVIDED ON THE LATTER IN EACH STOP POSITION OF THE UNDER MATTRESS BUT TO ADJUSTABLY ENGAGE IN POSITIONS OF THE UNDER MATTRESS INTERMEDIATE THE STOP POSITIONS, WHEREBY THE TWO FRAME SECTIONS CAN ASSUME ANY RELATIVE ANGULAR RELATIONSHIP BETWEEN THE TWO STOP POSITIONS IN RESPONSE TO MOVEMENTS OF A PERSON RESTING ON THE UNDER MATTRESS, THE STOP MEANS AUTOMATICALLY BECOMING LOCKED WHEN THE TWO FRAME SECTIONS REACH SAID SUBSTANTIALLY HORIXONAL STOP POSITION. THE LOCKING MEMBER IS A LEVER PROVIDED WITH AT LEAST ONE DOWNWARDLY EXTENDING CATCH AND THE LOCKING MEANS ON THE ADJACENT FRAME SECTION COMPRISING SPACED-APART CAMS, THE SPACE BETWEEN WHICH CORRESPONDS TO THE DIMENSIONS OF THE SAID CATCH.

Inventors

  • 👤 Hugo Degen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:43
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/04; A47C20/043

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-05-31 1974-11-30 1975-06-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-31 1978-11-30 1979-06-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-31 1982-11-30 1983-06-01 $7700.00 Window Closed / Lapsed

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