US3357152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner cut thermoplastic bag
Assignee: Monsanto Co
•
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 13:30
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.
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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) | 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 |