US3134988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite insulator
Assignee: Van Dresser Specialty Corp
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Filing: 1962-01-29
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Granted: 1964-06-02
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Clair S Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:25
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN ELONGATED INSULATOR FOR USE BETWEEN AN ELONGATED OVERLYING PADDING AND AN ELONGATED UNDERLYING SUPPORTING SPRING STRUCTURE HAVING AN ELONGATED BORDER FRAME; COMPRISING A SUBSTANTIALLY HORIZONTALLY EXTENDING NONEXTENSIBLE ELONGATED SHEET OF FABRIC, SEPARATE TRANSVERSELY SPACED SUBSTANTIALLY PARALLEL NON-EXTENSIBLE METAL REINFORCING BARS EXTENDING LENGTHWISE OF SAID ELONGATED SHEET AND HAVING OPPOSITE ENDS THEREOF TERMINATING ADJACENT TO OPPOSITE ENDS OF SAID ELONGATED SHEET, SAID REINFORCING BARS HAVING A WIDTH GREATER THAN THE THICKNESS THEREOF AND BEING HELD AGAINST TRANSVERSE DISPLACEMENT RELATIVE TO SAID ELONGATED SHEET, AND MEANS FOR SECURING SAID ELONGATED SHEET TO SAID BORDER FRAME.
Claim 2
Dependent Claim
94 words
AN ELONGATED INSULATOR FOR USE BETWEEN AN ELONGATED OVERLYING PADDING AND AN ELONGATED UNDERLYING SUPPORTING SPRING STRUCTURE HAVING AN ELONGATED BORDER FRAME; COMPRISING A SUBSTANTIALLY HORIZONTALLY EXTENDING NONEXTENSIBLE ELONGATED SHEET OF FABRIC, SEPARATE TRANSVERSELY SPACED SUBSTANTIALLY PARALLEL NON-EXTENSIBLE METAL REINFORCING BARS EXTENDING LENGTHWISE OF SAID ELONGATED SHEET AND HAVING OPPOSITE ENDS THEREOF TERMINATING ADJACENT TO OPPOSITE ENDS OF SAID ELONGATED SHEET, SAID REINFORCING BARS HAVING A WIDTH GREATER THAN THE THICKNESS THEREOF AND BEING HELD AGAINST TRANSVERSE DISPLACEMENT RELATIVE TO SAID ELONGATED SHEET, AND MEANS FOR SECURING SAID ELONGATED SHEET TO 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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |