Patent US4744200A successfully refreshed from Google Patents.
US4744200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic bag pack with single tab suspension
Assignee: Pactiv LLC
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Filing: 1986-10-30
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Granted: 1988-05-17
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Expires: 2006-10-30
Abstract
Abstract A bag pack of a plurality of stacked bags made from thermoplastic film, each bag comprising front and rear walls; a bottom; an open-mouth portion, said open-mouth portion being characterized by having handles which are integral extensions of said walls and located at opposite ends of said bag mouth portion. A single film tab member extends above each rear bag wall and above the open-mouth portion. The tab is coplanar with the rear wall and connected thereto through a localized line of film weakening. The tabs of all bags are in registration and are a collection of only tabs coplanar with said rear walls. The tabs are bonded together and include a suspension means to accommodate physical suspension of the pack.
Inventors
- 👤 Gordon L. Benoit, Jr.
- 👤 R. Stuart Smith, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:21
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/001; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/21; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/84; B29C66/851; B29C66/8511; B29L; B29L2009/00; B29L2031/00; B29L2031/712; B29L2031/7128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A method of forming a bag pack of thermoplastic film bags each of which has only a single suspension-bonding tab coplanar with its rear wall comprising: (a) providing a plurality of gusseted end-sealed tubes, each tube having a front wall, a rear wall and gusseted side walls said walls having top and bottom regions; (b) removing from only the top region of said front wall of each tube a region at least corresponding in area to the suspension bonding top of said rear wall; (c) stacking a plurality of these structures in registration; (d) removing from the top regions of each of said front and rear walls sufficient film to leave a bag mouth opening, only a single suspension-bonding tab coplanar with said rear wall, and a pair of double film handles located at opposite ends of said bag mouth; (e) bonding said tabs together; (f) forming in said tabs pre-weakened severance lines for removal of individual bags from said pack; and (g) forming a suspension orifice in said tabs.
Claim 2
Independent Claim
170 words
A method of forming a bag pack of thermoplastic film bags each of which has only a single suspension-bonding tab coplanar with its rear wall comprising: (a) providing a plurality of gusseted end-sealed tubes, each tube having a front wall, a rear wall and gusseted side walls said walls having top and bottom regions; (b) removing from only the top region of said front wall of each tube a region at least corresponding in area to the suspension bonding top of said rear wall; (c) stacking a plurality of these structures in registration; (d) removing from the top regions of each of said front and rear walls sufficient film to leave a bag mouth opening, only a single suspension-bonding tab coplanar with said rear wall, and a pair of double film handles located at opposite ends of said bag mouth; (e) bonding said tabs together; (f) forming in said tabs pre-weakened severance lines for removal of individual bags from said pack; and (g) forming a suspension orifice in said tabs.
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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) | 1991-05-17 | 1991-11-16 | 1992-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-17 | 1995-11-16 | 1996-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-17 | 1999-11-16 | 2000-05-17 | $7700.00 | Window Closed / Lapsed |