US3752725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient strip mounting for plastic bag fabricator
Assignee: Individual
•
Filing: 1971-04-23
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Granted: 1973-08-14
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Expires: 1991-04-23
Abstract
Abstract A PLASTIC BAG FABRICATING, DISPERSING AND SEALING UNIT INCLUDES A LID HAVING MOUNTED ON IT A STRIP OF RESLIENT, NONADHERENT HEAT RESISTANT MATERIAL THAT ENGAGES A HEATING WIRE OF THE UNIT WHEN THE LID IS CLOSED, THE STRIP BEING AXIALLY RECEIVED IN A GROOVE THAT EXTENDS ALONG THE INNER FACE OF THE LID. OPENINGS FORMED AT EACH END OF THE GROOVE RECEIVE A ROD THAT EXTENDS THROUGH THE STRIP AND SECURES IT TO THE LID. AN APERATURE THAT EXTENDS THROUGH THE STRIP PARALLEL TO THE ROD PROVIDES THE STRIP WITH THE NECESSARY RESILIENCY.
Inventors
- 👤 M Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:01
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/84; B29C66/861; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8324; B29C66/851; B29C66/8511; B31; B31B; B31B70/00; B31B70/99; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/4312; B29C66/43121; B29C66/70; B29C66/71; B31B2247/00; B31B70/60; B31B70/64; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/293; Y10T83/869; Y10T83/8776; Y10T83/8785
Claims Analysis
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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) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |