US3003907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machines for making plastic bags
Assignee: Individual
•
Filing: 1957-12-02
•
Granted: 1961-10-10
•
Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Fleur Arthur E La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:58
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/26; B31B70/262; B31B70/266; B31B2155/00; B31B2155/003; B31B2160/00; B31B2160/10; B31B2160/20; B31B50/00; B31B50/14; B31B50/16; B31B50/18; B31B70/36; Y; Y10; Y10T; Y10T156/00; Y10T156/16; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A MACHINE FOR MAKING BAGS OF PLASTIC FILM COMPRISING A FRAME, ROLLERS MOUNTED THEREON BETWEEN WHICH PLASTIC FILM FOLDED LONGITUDINALLY UPON ITSELF TO FORM A GUSSET BETWEEN ITS OPPOSITE SIDES IS ADAPTED TO BE FED, MEANS FOR INTERMITTENTLY ROTATING THE ROLLERS, A BED SECURED ON THE FRAME, A BOLSTER MOUNTED ON THE FRAME FOR MOVEMENT TOWARDS AND FROM THE BED, MEANS FOR RECIPROCATING THE BOLSTER WHEN THE ROLLERS ARE STATIONARY, SAID PLASTIC FILM BEING ADAPTED TO PASS FROM THE ROLLERS BETWEEN THE BED AND THE BOLSTER, A SEALING IRON SECURED TO THE BOLSTER TO ENGAGE THE PLASTIC FILM BETWEEN THE SEALING IRON AND THE BED, AND A STATIONARY SLIP SHEET SUPPORTED ALONG ON LONGITUDINAL MARGIN BETWEEN THE BED AND THE BOLSTER TO PROJECT INTO THE GUSSET, SAID SEALING IRON BEING ADAPTED TO SIMULTANEOUSLY SEAL THE OUTER SIDES OF THE PLASTIC FILM ON OPPOSITE SIDES OF THE SLIP SHEET EACH TO THE SIDE OF THE GUSSET ADJACENT THERETO.
Claim 2
Dependent Claim
157 words
A MACHINE FOR MAKING BAGS OF PLASTIC FILM COMPRISING A FRAME, ROLLERS MOUNTED THEREON BETWEEN WHICH PLASTIC FILM FOLDED LONGITUDINALLY UPON ITSELF TO FORM A GUSSET BETWEEN ITS OPPOSITE SIDES IS ADAPTED TO BE FED, MEANS FOR INTERMITTENTLY ROTATING THE ROLLERS, A BED SECURED ON THE FRAME, A BOLSTER MOUNTED ON THE FRAME FOR MOVEMENT TOWARDS AND FROM THE BED, MEANS FOR RECIPROCATING THE BOLSTER WHEN THE ROLLERS ARE STATIONARY, SAID PLASTIC FILM BEING ADAPTED TO PASS FROM THE ROLLERS BETWEEN THE BED AND THE BOLSTER, A SEALING IRON SECURED TO THE BOLSTER TO ENGAGE THE PLASTIC FILM BETWEEN THE SEALING IRON AND THE BED, AND A STATIONARY SLIP SHEET SUPPORTED ALONG ON LONGITUDINAL MARGIN BETWEEN THE BED AND THE BOLSTER TO PROJECT INTO THE GUSSET, SAID SEALING IRON BEING ADAPTED TO SIMULTANEOUSLY SEAL THE OUTER SIDES OF THE PLASTIC FILM ON OPPOSITE SIDES OF THE SLIP SHEET EACH TO THE SIDE OF THE GUSSET ADJACENT THERETO.
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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) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |