US3439865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Woven plastic bags
Assignee: Parker Pace Corp
•
Filing: 1964-12-17
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Granted: 1969-04-22
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Expires: 1984-12-17
Abstract
No abstract record available.
Inventors
- 👤 Morton I Port
- 👤 Bernard L Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
CPC Classifications
B; B65; B65D; B65D31/00; B65D29/00; D; D02; D02G; D02G3/00; D02G3/02; D02G3/06; D03; D03D; D03D3/00; B29; B29C; B29C66/00; B29C66/70; B29C66/71; Y; Y10; Y10T; Y10T428/00; Y10T428/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A DIMENSIONALLY STABLE, HEAVY DUTY WATERPROOF, GAS PERVIOUS SACK OF HIGH STRENGTH, SAID SACK HAVING AN OPEN END AND A CLOSED END BEING FABRICATED OF A FABRIC WOVEN AND A CLOSED END AND BEING FABRICATED OF A FABRIC WOVEN OF FLAT, MONOFILAMENT WARP AND WEFT YARNS FORMED OF A MONO-AXIALLY ORIENTED SYNTHETIC PLASTIC MATERIAL, THE WEAVE OF SAID FABRIC BEING SUFFICIENTLY TIGHT TO RENDER SAID FABRIC WATERPROOF BUT PERVIOUS TO GAS.
Claim 2
Dependent Claim
71 words
A DIMENSIONALLY STABLE, HEAVY DUTY WATERPROOF, GAS PERVIOUS SACK OF HIGH STRENGTH, SAID SACK HAVING AN OPEN END AND A CLOSED END BEING FABRICATED OF A FABRIC WOVEN AND A CLOSED END AND BEING FABRICATED OF A FABRIC WOVEN OF FLAT, MONOFILAMENT WARP AND WEFT YARNS FORMED OF A MONO-AXIALLY ORIENTED SYNTHETIC PLASTIC MATERIAL, THE WEAVE OF SAID FABRIC BEING SUFFICIENTLY TIGHT TO RENDER SAID FABRIC WATERPROOF BUT PERVIOUS TO GAS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |