US3283992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Embossed anti-skid bags
Assignee: Union Carbide Canada Ltd
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Filing: 1965-02-10
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Granted: 1966-11-08
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Expires: 1985-02-10
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Hanson
- 👤 Aleck M Kingsborough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:07
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A BAG FABRICATED FROM A THIN PLASTIC FILM AND HAVING OPPOSED TOP AND BOTTOM WALLS JOINED BY SIDE WALLS, THE IMPROVEMENT WHICH COMPRISES A PLURALITY OF SPACEDAPART FIRST RIDGES FORMED IN AND CONSTITUTING A PART OF ECH OF SAID TOP AND BOTTOM WALLS OF SAID BAG, SAID FIRST RIDGES OPENING INWARDLY OF SAID BAG, AND A PLURALITY OF SPACED-APART SECOND RIDGES FORMED IN AND CONSTITUTING A PART OF EACH OF SAID TOP AND BOTTOM WALLS OF SAID BAG, SAID SECOND RIDGES OPENING OUTWARDLY OF SAID BAG, SAID FIRST AND SECOND RIDGES EXTENDING IN AT LEAST TWO DIFFERENT DIRECTIONS IN BOTH SAID TOP AND BOTTOM WALLS OF SAID BAG, SAID RIDGES BEING ADAPTED TO INTERLOCK WITH AND OVERLAP SIMILAR RIDGES FORMED IN ANOTHER BAG WHEN SAID BAGS ARE IN STACKED RELATIONSHIP TO RESIST SLIDING OF SAID BAGS RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
141 words
IN A BAG FABRICATED FROM A THIN PLASTIC FILM AND HAVING OPPOSED TOP AND BOTTOM WALLS JOINED BY SIDE WALLS, THE IMPROVEMENT WHICH COMPRISES A PLURALITY OF SPACEDAPART FIRST RIDGES FORMED IN AND CONSTITUTING A PART OF ECH OF SAID TOP AND BOTTOM WALLS OF SAID BAG, SAID FIRST RIDGES OPENING INWARDLY OF SAID BAG, AND A PLURALITY OF SPACED-APART SECOND RIDGES FORMED IN AND CONSTITUTING A PART OF EACH OF SAID TOP AND BOTTOM WALLS OF SAID BAG, SAID SECOND RIDGES OPENING OUTWARDLY OF SAID BAG, SAID FIRST AND SECOND RIDGES EXTENDING IN AT LEAST TWO DIFFERENT DIRECTIONS IN BOTH SAID TOP AND BOTTOM WALLS OF SAID BAG, SAID RIDGES BEING ADAPTED TO INTERLOCK WITH AND OVERLAP SIMILAR RIDGES FORMED IN ANOTHER BAG WHEN SAID BAGS ARE IN STACKED RELATIONSHIP TO RESIST SLIDING OF SAID BAGS RELATIVE TO EACH OTHER.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |