US3170222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an insulator and attaching the same to a supporting spring structure
Assignee: Van Dresser Specialty Corp
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Filing: 1963-01-28
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Granted: 1965-02-23
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Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Richard P Doerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:53
CPC Classifications
B; B68; B68G; B68G11/00; Y; Y10; Y10T; Y10T29/00; Y10T29/48; Y10T29/481; Y10T29/482; Y10T29/49; Y10T29/49609; Y10T29/49613; Y10T29/49801; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A METHOD OF FORMING AN ELONGATED, FLEXIBLE, SHEETLIKE INSULATOR HAVING IN ITS FREE STATE CONDITION A LENGTHWISE DIMENSION APPROXIMATING THE LENGTHWISE DIMENSION OF AN ELONGATED BORDER FRAME OF A SUPPORTING SPRING STRUCTURE OF AN UPHOLSTERED ASSEMBLY, FOR THE USE OF SAID INSULATOR BETWEEN SAID SUPPORTING SPRING STRUCTURE AND AN OVERLYING PADDING; COMPRISING PROVIDING FIRST AND SECOND ELONGATED SHEET OF FLEXIBLE MATERIAL ADAPTED TO EXTEND LENGTHWISE OF SAID BORDER FRAME AND WHICH HAVE A LENGTHWISE DIMENSION APPROXIMATING THE LENGTHWISE DIMENSION OF SAID BORDER FRAME, PROVIDING A PLURALITY OF ELONGATED, LATERALLY SPACED, SUBSTANTIALLY PARALLEL, FLEXIBLE, RESILIENT REINFORCING STRANDS OF UNDULATING FORM ADAPTED TO EXTEND LENGTHWISE OF SAID BORDER FRAME AND WHICH ARE INITIALLY LONGER THAN THE CORRESPONDING PORTIONS OF SAID BORDER FRAME, LONGITUDINALLY COMPRESSING SAID STRANDS BEYOND THEIR ELASTIC LIMIT TO A STABLE FREE STATE CONDITION OF DECREASED LENGTH SUCH THAT SAID COMPRESSED STRANDS HAVE APPROXIMATELY THE SAME LENGTHWISE DIMENSION RESPECTRIVELY AS THE CORRESPONDING PORTIONS OF SAID BORDER FRAME, EXTENDING SAID COMPRESSED STRANDS UPON ONE SIDE OF SAID FIRST SHEET LENGTHWISE THEREOF AND EXTENDING SAID SECOND SHEET UPON THE SIDE OF SAID COMPRESSED STRANDS OPPOSITE SAID FIRST SHEET LENGTHWISE OF SAID FIRST SHEET, AND THEN SECURING SAID SHEETS TOGETHER.
Claim 2
Independent Claim
197 words
A METHOD OF FORMING AN ELONGATED, FLEXIBLE, SHEETLIKE INSULATOR HAVING IN ITS FREE STATE CONDITION A LENGTHWISE DIMENSION APPROXIMATING THE LENGTHWISE DIMENSION OF AN ELONGATED BORDER FRAME OF A SUPPORTING SPRING STRUCTURE OF AN UPHOLSTERED ASSEMBLY, FOR THE USE OF SAID INSULATOR BETWEEN SAID SUPPORTING SPRING STRUCTURE AND AN OVERLYING PADDING; COMPRISING PROVIDING FIRST AND SECOND ELONGATED SHEET OF FLEXIBLE MATERIAL ADAPTED TO EXTEND LENGTHWISE OF SAID BORDER FRAME AND WHICH HAVE A LENGTHWISE DIMENSION APPROXIMATING THE LENGTHWISE DIMENSION OF SAID BORDER FRAME, PROVIDING A PLURALITY OF ELONGATED, LATERALLY SPACED, SUBSTANTIALLY PARALLEL, FLEXIBLE, RESILIENT REINFORCING STRANDS OF UNDULATING FORM ADAPTED TO EXTEND LENGTHWISE OF SAID BORDER FRAME AND WHICH ARE INITIALLY LONGER THAN THE CORRESPONDING PORTIONS OF SAID BORDER FRAME, LONGITUDINALLY COMPRESSING SAID STRANDS BEYOND THEIR ELASTIC LIMIT TO A STABLE FREE STATE CONDITION OF DECREASED LENGTH SUCH THAT SAID COMPRESSED STRANDS HAVE APPROXIMATELY THE SAME LENGTHWISE DIMENSION RESPECTRIVELY AS THE CORRESPONDING PORTIONS OF SAID BORDER FRAME, EXTENDING SAID COMPRESSED STRANDS UPON ONE SIDE OF SAID FIRST SHEET LENGTHWISE THEREOF AND EXTENDING SAID SECOND SHEET UPON THE SIDE OF SAID COMPRESSED STRANDS OPPOSITE SAID FIRST SHEET LENGTHWISE OF SAID FIRST SHEET, AND THEN SECURING SAID SHEETS TOGETHER.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |