US3721383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging assembly of heat-sealable film material
Assignee: ALTEC SOPITEC
•
Filing: 1971-02-18
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Granted: 1973-03-20
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Expires: 1991-02-18
Abstract
Abstract A packaging assembly of heat sealable plastics film material comprises an envelope with a closed end and an open end. The closed end is encircled by two lengths of ribbon formed from a film of similar heat sealable material. The two ribbons are contained in a guiding passage around the packaging assembly and are accessible through openings formed in the guiding passage.
Inventors
- 👤 B Dufes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:12
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/28
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
104 words
A packaging assembly of heat-sEalable film material comprising an envelope corresponding in shape to the intended filling, the envelope having an open end for filling the envelope and a closed end opposite the open end, and two seams at the closed end defining two guide passages for receiving two lengths of ribbon of heat-sealable film material, the guide passages having apertures for enabling access to the lengths of ribbon, the closed end including an expansible panel extending between the seams and outwardly thereof when the packaging assembly is empty so that the packaging assembly can be filled completely at least up to the seams.
Claim 2
Dependent Claim
104 words
A packaging assembly of heat-sEalable film material comprising an envelope corresponding in shape to the intended filling, the envelope having an open end for filling the envelope and a closed end opposite the open end, and two seams at the closed end defining two guide passages for receiving two lengths of ribbon of heat-sealable film material, the guide passages having apertures for enabling access to the lengths of ribbon, the closed end including an expansible panel extending between the seams and outwardly thereof when the packaging assembly is empty so that the packaging assembly can be filled completely at least up to the seams.
Claim 3
Dependent Claim
29 words
A packaging assembly according to claim 1, wherein the expansible end panel includes at least one fold line disposed outwardly of the seams when the packaging assembly is empty.
Claim 4
Dependent Claim
34 words
A packaging assembly according to claim 1, wherein the expansible end panel includes at least one fold line disposed outwardly of the outermost portions of the guide passages when the packaging assembly is empty.
Claim 5
Dependent Claim
20 words
A packaging assembly according to claim 1, wherein the expansible end panel comprises one gusset centered about a central fold.
Claim 6
Dependent Claim
20 words
A packaging assembly according to claim 1, wherein the expansible end panel comprises two gussets centered about a central fold.
Claim 7
Dependent Claim
21 words
A packaging assembly according to claim 5, wherein the central fold is disposed substantially at the same level as the seams.
Claim 8
Dependent Claim
27 words
A packaging assembly according to claim 1, wherein the expansible end panel is adapted to expand to a length greater than the width of the intended filling.
Claim 9
Dependent Claim
13 words
A packaging assembly according to claim 1, wherein the seams are weld lines.
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) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |