US3185609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cutting and sealing a web of thermoplastic material
Assignee: Millennium Petrochemicals Inc
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Filing: 1962-02-15
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Granted: 1965-05-25
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Lester W Merithew
- 👤 Herbert O Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:33
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/745; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/78; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B31; B31B; B31B70/00; B29C66/02; B29C66/022; B29C66/0224; B29C66/02241; B29C66/816; B29C66/8167; B29K; B29K2101/00; B29K2101/12; B31B2155/00; B31B2155/003; B31B2160/00; B31B2160/10; B31B70/14; B31B70/60; B31B70/64; B31B70/642; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A MACHINE FOR FORMING BAGS FROM TUBULAR THERMOPLASTIC STOCK COMPRISING MEANS FOR INTERMITTENTLY FEEDING SAID STOCK ALONG A FEED PATH TO A CUTTING AND SEALING LOCATION, OPPOSED TRANSVERSE CUTTING BLADES LOCATED ABOVE AND BELOW SAID FEED PATH, SAID CUTTING BLADES BEING POSITIONED IN A VERTICAL PLANE OFFSET TO ONE SIDE OF SAID CUTTING AND SEALING LOCATION, MEANS MOUNTING SAID CUTTING BLADES FOR MOVEMENT SIMULTANEOUSLY TOWARD EACH OTHER AND LONGITUDINALLY OF SAID FEED PATH INTO CUTTING POSITION AT SAID CUTTING AND SEALING LOCATION FOR CUTTING SAID STOCK ALONG AN EDGE THEREOF AND THEN MOVING SAID BLADES LONGITUDINALLY IN THE SAME DIRECTION AWAY FROM SAID CUT EDGE,
Claim 2
Dependent Claim
105 words
A MACHINE FOR FORMING BAGS FROM TUBULAR THERMOPLASTIC STOCK COMPRISING MEANS FOR INTERMITTENTLY FEEDING SAID STOCK ALONG A FEED PATH TO A CUTTING AND SEALING LOCATION, OPPOSED TRANSVERSE CUTTING BLADES LOCATED ABOVE AND BELOW SAID FEED PATH, SAID CUTTING BLADES BEING POSITIONED IN A VERTICAL PLANE OFFSET TO ONE SIDE OF SAID CUTTING AND SEALING LOCATION, MEANS MOUNTING SAID CUTTING BLADES FOR MOVEMENT SIMULTANEOUSLY TOWARD EACH OTHER AND LONGITUDINALLY OF SAID FEED PATH INTO CUTTING POSITION AT SAID CUTTING AND SEALING LOCATION FOR CUTTING SAID STOCK ALONG AN EDGE THEREOF AND THEN MOVING SAID BLADES LONGITUDINALLY IN THE SAME DIRECTION AWAY FROM SAID CUT EDGE,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |