US3568475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating fabric
Assignee: Philip Morris USA Inc
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Filing: 1966-11-25
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Granted: 1971-03-09
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Expires: 1986-11-25
Abstract
Abstract THIS INVENTION IS DIRECTED TO AN INSULATING WEFT KNIT FABRIC COMPRISING A PLURALITY OF LONGITUDINALLY EXTENDING SECTIONS, EACH OF SAID SECTIONS COMPRISING A PLURALITY OF COURSES DEFINING LATERALLY ALTERNATING OBVERSE PORTIONS AND REVERSE PORTIONS, EACH PORTION COMPRISING A PLURALITY OF WALES, THE LOOPS OF THE OBVERSE PORTION FACING ONE SIDE OF THE FABRIC AND THE LOOPS OF THE REVERSE PORTION FACING THE OTHER SIDE OF THE FABRIC, THE OBVERSE PORTIONS AND THE REVERSE PORTIONS OF EACH SECTION BEING SUBSTANTIALLY ALIGNED WITH THE REVERSE PORTIONS AND THE OBVERSE PORTIONS, RESPECTIVELY, OF THE SECTION ON EITHER SIDE THEREOF SO AS TO FORM INSULATING CELLS IN SAID FABRIC.
Inventors
- 👤 Morris Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:31
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/10; D04B1/102; D10; D10B; D10B2403/00; D10B2403/02; D10B2403/024; D10B2403/0243; D10B2501/00; D10B2501/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |