Patent US3371696A successfully refreshed from Google Patents.
US3371696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclosable bags with rib and groove elements formed of different materials
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1968-03-05
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Ausnit Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:33
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/25; B65D33/2508; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/36; B29C48/50; B29C48/695; B29C48/70; B29C65/00; B29C65/56; B29C65/58; B65D33/2541; A; A44; A44B; A44B19/00; A44B19/10; A44B19/16; B29C48/07; B29C48/08; B29C48/12; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A SHEET WITH A FLEXIBLE CLOSURE COMPRISING: A WEB PORTION AND A MARGINAL PORTION, SAID WEB PORTION BEING FORMED OF A FIRST THERMOPLASTIC SUBSTANCE HAVING A GIVEN SET OF PHYSICAL CHARACTERISTICS, SAID MARGINAL PORTIONS HAVING INTERLOCKING RIB AND GROOVE ELEMENTS EXTENDING LONGITUDINALLY THEREON FOR PROVIDING A LOCK THEREBETWEEN, SAID INTERLOCKING RIB AND GROOVE ELEMENTS BEING FORMED ENTIRELY OF A SEPARATE SECOND THERMOPLASTIC SUBSTANCE HAVING A DIFFERENT SET OF PHYSICAL CHARACTERISTICS FROM THAT OF SAID FIRST THERMOPLASTIC SUBSTANCE.
Claim 2
Dependent Claim
77 words
A SHEET WITH A FLEXIBLE CLOSURE COMPRISING: A WEB PORTION AND A MARGINAL PORTION, SAID WEB PORTION BEING FORMED OF A FIRST THERMOPLASTIC SUBSTANCE HAVING A GIVEN SET OF PHYSICAL CHARACTERISTICS, SAID MARGINAL PORTIONS HAVING INTERLOCKING RIB AND GROOVE ELEMENTS EXTENDING LONGITUDINALLY THEREON FOR PROVIDING A LOCK THEREBETWEEN, SAID INTERLOCKING RIB AND GROOVE ELEMENTS BEING FORMED ENTIRELY OF A SEPARATE SECOND THERMOPLASTIC SUBSTANCE HAVING A DIFFERENT SET OF PHYSICAL CHARACTERISTICS FROM THAT OF SAID FIRST THERMOPLASTIC SUBSTANCE.
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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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |