US3170223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of stretching and attaching an insulator 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 17:50
CPC Classifications
B; B68; B68G; B68G11/00; Y; Y10; Y10T; Y10T29/00; Y10T29/48; Y10T29/481; Y10T29/49; Y10T29/49609; Y10T29/49613; Y10T29/49801; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A METHOD OF FORMING AND APPLYING AN ELONGATED FLEXIBLE, SHEET-LIKE INSULATOR TO AN ELONGATED BORDER FRAME OF A SUPPORTING SPRING STRUCTURE OF AN UPHOLSTERED ASSEMBLY; COMPRISING PROVIDING A PREFORMED INSULATOR INCLUDING AN ELONGATED SUBSTANTIALLY RECTANGULAR SHEET OF FLEXIBLE MATERIAL PROVIDED WITH TRANSVERSE UNDULATIONS AND HAVING AN INITIAL LENGTHWISE DIMENSION LESS THAN THE LENGTHWISE DIMENSION OF SAID BORDER FRAME, AND ALSO INCLUDING A PLURALITY OF ELONGATED, LATERALLY SPACED SUBSTANTIALLY PARALLEL, STRETCHABLE RESILIENT REINFORCING STRANDS THREADED THROUGH SAID UNDULATIONS AND EXTENDING LONGITUDINALLY OF SAID SHEET AND HAVING ANCHORAGE MEMBERS AT THE OPPOSITE ENDS OF SAID SHEET EXTENDING TRANSVERSELY THEREOF TO WHICH SAID STRANDS ARE TERMINALLY CONNECTED, SECURING ONE OF SAID ANCHORAGE MEMBERS TO ONE END OF SAID BORDER FRAME, THEN LONGITUDINALLY STRETCHING SAID PREFORMED INSULATOR WHEREBY TO PLACE SAID STRANDS IN TENSION AND TO INCREASE THE LENGTHWISE DIMENSION OF SAID STRANDS AND SAID SHEET TO APPROXIMATELY THE LENGTHWISE DIMENSION OF SAID BORDER FRAME, AND THEREAFTER WHILE SAID STRANDS ARE IN TENSION AND SAID STRANDS AND SHEETS ARE INCREASED IN LENGTH AS AFORESAID, SECURING THE OTHER OF SAID ANCHORAGE MEMBERS TO THE OPPOSITE END OF SAID BORDER FRAME.
Claim 2
Independent Claim
185 words
A METHOD OF FORMING AND APPLYING AN ELONGATED FLEXIBLE, SHEET-LIKE INSULATOR TO AN ELONGATED BORDER FRAME OF A SUPPORTING SPRING STRUCTURE OF AN UPHOLSTERED ASSEMBLY; COMPRISING PROVIDING A PREFORMED INSULATOR INCLUDING AN ELONGATED SUBSTANTIALLY RECTANGULAR SHEET OF FLEXIBLE MATERIAL PROVIDED WITH TRANSVERSE UNDULATIONS AND HAVING AN INITIAL LENGTHWISE DIMENSION LESS THAN THE LENGTHWISE DIMENSION OF SAID BORDER FRAME, AND ALSO INCLUDING A PLURALITY OF ELONGATED, LATERALLY SPACED SUBSTANTIALLY PARALLEL, STRETCHABLE RESILIENT REINFORCING STRANDS THREADED THROUGH SAID UNDULATIONS AND EXTENDING LONGITUDINALLY OF SAID SHEET AND HAVING ANCHORAGE MEMBERS AT THE OPPOSITE ENDS OF SAID SHEET EXTENDING TRANSVERSELY THEREOF TO WHICH SAID STRANDS ARE TERMINALLY CONNECTED, SECURING ONE OF SAID ANCHORAGE MEMBERS TO ONE END OF SAID BORDER FRAME, THEN LONGITUDINALLY STRETCHING SAID PREFORMED INSULATOR WHEREBY TO PLACE SAID STRANDS IN TENSION AND TO INCREASE THE LENGTHWISE DIMENSION OF SAID STRANDS AND SAID SHEET TO APPROXIMATELY THE LENGTHWISE DIMENSION OF SAID BORDER FRAME, AND THEREAFTER WHILE SAID STRANDS ARE IN TENSION AND SAID STRANDS AND SHEETS ARE INCREASED IN LENGTH AS AFORESAID, SECURING THE OTHER OF SAID ANCHORAGE MEMBERS TO THE OPPOSITE END OF SAID BORDER FRAME.
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 |