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US3325833A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring cushions, such as mattresses

Assignee: Wood Conversion Co
•
Filing: 1962-12-21
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Granted: 1967-06-20
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Expires: 1982-12-21
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred J Withoff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 19:00
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/045; A47C27/0453

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 171 words
A SPRING CUSHION STRUCTURE COMPRISING A MULTIPLICITY OF INDIVIDUAL UPRIGHT COILED WIRE SPRINGS HAVING THEIR FIRST AND SECOND ENDS POSITIONED IN RESILIENTLY SPACED SURFACES, FACING MATERIAL DEFINING EACH OF SAID SURFACES, AT LEAST A FIRST ONE OF SAID FACING MATERIALS BEING FLEXIBLE AND HAVING FLEXIBLE TENSION-RESISTANT LAYER POSITIONED ADJACENT THE FIRST ENDS OF EACH OF SAID SPRINGS, MEANS SECURING THE FIRST AND SECOND ENDS OF EACH OF SAID SPRINGS TO SAID FACING MATERIALS, SAID MEANS CONSISTING OF ADHESIVE MATERIAL ANCHORED TO THE SIDES OF THE WIRES EXTENDING INWARDLY FROM SAID FIRST AND SECOND ENDS OF EACH OF SAID SPRINGS, SAID ADHESIVE MATERIAL EXTENDING LATERALLY FROM SAID WIRES TO SAID FACING MATERIALS AND BEING ANCHORED THERETO, EACH OF SAID SPRINGS OF SAID MULTIPLICITY THEREOF BEING DIRECTLY CONNECTED AT EACH OF THEIR ENDS TO OTHERS OF SAID SPRINGS OF SAID MULTIPLICITY ONLY BY SAID FACING MATERIALS ADHESIVELY ANCHORED THERETO, THE PORTIONS OF SAID LAYER BETWEEN THE FIRST ENDS OF SAID SPRINGS BEING EXPOSED IN THE DIRECTION TOWARD THE OPPOSITE ENDS OF SAID SPRINGS.
Claim 2
Dependent Claim 171 words
A SPRING CUSHION STRUCTURE COMPRISING A MULTIPLICITY OF INDIVIDUAL UPRIGHT COILED WIRE SPRINGS HAVING THEIR FIRST AND SECOND ENDS POSITIONED IN RESILIENTLY SPACED SURFACES, FACING MATERIAL DEFINING EACH OF SAID SURFACES, AT LEAST A FIRST ONE OF SAID FACING MATERIALS BEING FLEXIBLE AND HAVING FLEXIBLE TENSION-RESISTANT LAYER POSITIONED ADJACENT THE FIRST ENDS OF EACH OF SAID SPRINGS, MEANS SECURING THE FIRST AND SECOND ENDS OF EACH OF SAID SPRINGS TO SAID FACING MATERIALS, SAID MEANS CONSISTING OF ADHESIVE MATERIAL ANCHORED TO THE SIDES OF THE WIRES EXTENDING INWARDLY FROM SAID FIRST AND SECOND ENDS OF EACH OF SAID SPRINGS, SAID ADHESIVE MATERIAL EXTENDING LATERALLY FROM SAID WIRES TO SAID FACING MATERIALS AND BEING ANCHORED THERETO, EACH OF SAID SPRINGS OF SAID MULTIPLICITY THEREOF BEING DIRECTLY CONNECTED AT EACH OF THEIR ENDS TO OTHERS OF SAID SPRINGS OF SAID MULTIPLICITY ONLY BY SAID FACING MATERIALS ADHESIVELY ANCHORED THERETO, THE PORTIONS OF SAID LAYER BETWEEN THE FIRST ENDS OF SAID SPRINGS BEING EXPOSED IN THE DIRECTION TOWARD THE OPPOSITE ENDS OF SAID SPRINGS.

References Cited (Backward Citations)

US2385870A Cited
US2610333A Cited
US2775287A Cited
US2874389A Cited
US2954076A Cited
US3070814A Cited
US3049730A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-06-19 1970-12-19 1971-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-06-19 1974-12-19 1975-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-06-19 1978-12-19 1979-06-20 $7700.00 Window Closed / Lapsed

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