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
•
Granted: 1968-03-05
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Ausnit Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:25
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.
References Cited (Backward Citations)
DE831985C
Cited
US2772469A
Cited
US2789609A
Cited
US2780261A
Cited
US2823721A
Cited
DE1112446B
Cited
US3198228A
Cited
US3172443A
Cited
US3226787A
Cited
US3173184A
Cited
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 |