Patent US3357152A successfully refreshed from Google Patents.
US3357152A
Expired / Lapsed
US
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Corner cut thermoplastic bag
Assignee: Monsanto Co
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Filing: 1963-10-21
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Granted: 1967-12-12
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Geigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:25
CPC Classifications
B; B65; B65D; B65D33/00; B31; B31B; B31B2155/00; B31B2155/003; B31B2160/00; B31B2160/20; B31B2241/00; B31B70/00; B31B70/14; B31B70/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF PACKAGING MATERIALS IN AN IMPROVED THERMOPLASTIC BAG WHICH COMPRISES TRIANGULARLY CUTTING AT OPPOSITE EDGES, SEALING THE CUT EDGES AND TRANSVERSELY SEALING A CONTINUOUS UNIFORMLY FLATTENED TUBE OF THERMOPLASTIC FILM AT PREDETERMINED INTERVALS ALONG ITS LENGTH, TRANSVERSELY SEVERING THE TUBULAR FILM ADJACENT EACH TRANSVERSE SEAL TO FORM A BAG BLANK SEALED AT ONE END, TRANSFERRING SAID BAG BLANK TO A FILLING STATION AND FILLING SAID BAG BLANK WITH THE MATERIAL TO BE PACKAGED.
Claim 2
Independent Claim
75 words
A METHOD OF PACKAGING MATERIALS IN AN IMPROVED THERMOPLASTIC BAG WHICH COMPRISES TRIANGULARLY CUTTING AT OPPOSITE EDGES, SEALING THE CUT EDGES AND TRANSVERSELY SEALING A CONTINUOUS UNIFORMLY FLATTENED TUBE OF THERMOPLASTIC FILM AT PREDETERMINED INTERVALS ALONG ITS LENGTH, TRANSVERSELY SEVERING THE TUBULAR FILM ADJACENT EACH TRANSVERSE SEAL TO FORM A BAG BLANK SEALED AT ONE END, TRANSFERRING SAID BAG BLANK TO A FILLING STATION AND FILLING SAID BAG BLANK WITH THE MATERIAL TO BE PACKAGED.
References Cited (Backward Citations)
US3104797A
Cited
US1944089A
Cited
US2195740A
Cited
US2283069A
Cited
US2390071A
Cited
US2673495A
Cited
US2649673A
Cited
US2800163A
Cited
US2973697A
Cited
US3023679A
Cited
US3053723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |