US3325833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring cushions, such as mattresses
Assignee: Wood Conversion Co
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Filing: 1962-12-21
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Granted: 1967-06-20
•
Expires: 1982-12-21
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.
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US2775287A
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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) | 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 |