US2640004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip insulation and method of manufacture
Assignee: Janesville Cotton Mills
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Filing: 1949-08-16
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Granted: 1953-05-26
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Expires: 1969-08-16
Abstract
No abstract record available.
Inventors
- 👤 Willard G Van Saun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:05
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/12; B32B37/1284; B32B37/1292; E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; B32B2395/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24041; Y10T428/2405; Y10T428/24802; Y10T428/24934; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249965
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
THE METHOD OF MAKING AN INSULATION STRUCTURE WHICH COMPRISES FORMING AN ELONGATED BATT OF FIBROUS MATERIAL, STITCHING THE FIBERS OF THE BATT TOGETHER LONGITUDINALLY THEREOF AND AT LATERALLY SPACED INTERVALS, APPLYING A BACKING SHEET TO THE BATT MATERIAL WITH ADHESIVE RIBS SPACED IN ACCORDANCE WITH THE SPACING OF THE STITCHING ADHESIVELY SECURING THE SHEET TO THE BATT WITH THE ADHESIVE RIBS DIRECTLY ENGAGING THE STITCHING AND BATT MATERIAL COINCIDENT THEREWITH WHEREBY THE SHEET CONSTITUTES A MOISTURE BARRIER FOR THE BATT AND INTERLOCKING MEANS FOR THE STITCHING.
References Cited (Backward Citations)
US1713309A
Cited
US1796675A
Cited
US1776610A
Cited
US1890906A
Cited
US2009056A
Cited
GB399304A
Cited
US2292513A
Cited
US2271575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |