Patent US4560108A successfully refreshed from Google Patents.
Patent US3093280A successfully refreshed from Google Patents.
US3093280A
Expired / Lapsed
US
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Bag making machine
Assignee: FMC Corp
•
Filing: 1959-05-22
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Granted: 1963-06-11
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Expires: 1979-05-22
Abstract
No abstract record available.
Inventors
- 👤 Frank E Simpson
- 👤 John D Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:01
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/022; B31B70/024; B31B2155/00; B31B2155/003; B31B2160/00; B31B2160/10; B31B2160/106; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A MACHINE FOR FORMING BAGS FROM A STRIP OF BAG STOCK COMPRISING FEEDING MEANS FOR ADVANCING THE STRIP OF BAG STOCK WITHIN THE MACHINE, MEANS ARRANGED TO RECEIVE THE ADVANCING STRIP OF BAG STOCK FROM THE FEEDING MEANS AND TO WEAKEN THE STRIP IN TRANSVERSE LINES SPACED APART TO DEFINE BAG LENGTHS OF THE BAG STOCK, A SERIES OF TRANSVERSELY SPACED STRIP GUIDING MEANS ARRANGED FOR ADVANCEMENT OF THE STRIP FROM SAID WEAKENING MEANS, AND A PULL-APART MECHANISM MOUNTED ADJACENT SAID GUIDING MEANS IN POSITION TO EXTEND THEREBETWEEN AND INTO ENGAGEMENT WITH A PART OF THE ADVANCING STRIP, SAID PULL-APART MECHANISM BEING OPERABLE TO ACCELERATE ADVANCEMENT OF SAID PART OF THE DETACH THE PARTICULAR BAG LENGTH OF STOCK ENGAGED THEREBY FROM THE STRIP OF BAG STOCK.
Claim 2
Dependent Claim
126 words
A MACHINE FOR FORMING BAGS FROM A STRIP OF BAG STOCK COMPRISING FEEDING MEANS FOR ADVANCING THE STRIP OF BAG STOCK WITHIN THE MACHINE, MEANS ARRANGED TO RECEIVE THE ADVANCING STRIP OF BAG STOCK FROM THE FEEDING MEANS AND TO WEAKEN THE STRIP IN TRANSVERSE LINES SPACED APART TO DEFINE BAG LENGTHS OF THE BAG STOCK, A SERIES OF TRANSVERSELY SPACED STRIP GUIDING MEANS ARRANGED FOR ADVANCEMENT OF THE STRIP FROM SAID WEAKENING MEANS, AND A PULL-APART MECHANISM MOUNTED ADJACENT SAID GUIDING MEANS IN POSITION TO EXTEND THEREBETWEEN AND INTO ENGAGEMENT WITH A PART OF THE ADVANCING STRIP, SAID PULL-APART MECHANISM BEING OPERABLE TO ACCELERATE ADVANCEMENT OF SAID PART OF THE DETACH THE PARTICULAR BAG LENGTH OF STOCK ENGAGED THEREBY FROM THE STRIP OF BAG STOCK.
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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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |