US4053046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic film wrapper
Assignee: Swisher International Inc
•
Filing: 1976-07-29
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Granted: 1977-10-11
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Expires: 1996-07-29
Abstract
Abstract A sealed overlapping edge portion of a tearable plastic film envelope is embossed with a series of closely adjacent grooves which guide a tear across the seal.
Inventors
- 👤 Eugene Roark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:29
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/66; B65D75/68; B65D85/00; B65D85/07; B65D85/08; B65D85/12; Y; Y10; Y10S; Y10S229/00; Y10S229/924; Y10S229/926
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
86 words
A plastic wrapper for commodities said wrapper being formed of grainless plastic film having underlapping and overlapping edge portions and a heat seal joining said edge portions together along the length thereof so as to form a double-thickness seam, means for initiating a tear across the overlapping edge portion at one part of the length of the seam, and means spaced along the length of said seam for preventing blocking of the continuation of the tear across the other part of the length of the seam.
Claim 2
Dependent Claim
86 words
A plastic wrapper for commodities said wrapper being formed of grainless plastic film having underlapping and overlapping edge portions and a heat seal joining said edge portions together along the length thereof so as to form a double-thickness seam, means for initiating a tear across the overlapping edge portion at one part of the length of the seam, and means spaced along the length of said seam for preventing blocking of the continuation of the tear across the other part of the length of the seam.
Claim 3
Dependent Claim
13 words
A wrapper as defined in claim 1, said wrapper being of polypropylene film.
Claim 4
Dependent Claim
27 words
A wrapper as claimed in claim 1, said means for initiating a tear comprising a tear tab projecting outwardly from between said overlapping and underlapping edge portions.
Claim 5
Dependent Claim
27 words
A wrapper as defined in claim 1, the last-named means comprising a plurality of groove means along the overlapping edge portion extending transversely to the length thereof.
Claim 6
Dependent Claim
12 words
A wrapper as claimed in claim 4, said groove means being embossments.
Claim 7
Dependent Claim
47 words
A cigar envelope package as claimed in claim 4, said package including a cigar having a band therearound within said wrapper, the means for initiating a tear across said seam comprising a tab end of said band which projects outwardly from between said overlapping and underlapping edges.
Claim 8
Dependent Claim
89 words
A cigar envelope package comprising a wrapper formed of thermoplastic grainless plastic film having overlapping and underlapping edge portions joined by a heat seal to provide an elongate double-thickness seam, means for initiating a tear across the overlapping edge portion at one part of said seam, and a plurality of closely-spaced groove means extending transversely to the length of the overlapping edge portion disposed along the entire length of said overlapping edge portion for preventing blocking of the continuation of the tear across the other part of the seam.
Claim 9
Dependent Claim
89 words
A cigar envelope package comprising a wrapper formed of thermoplastic grainless plastic film having overlapping and underlapping edge portions joined by a heat seal to provide an elongate double-thickness seam, means for initiating a tear across the overlapping edge portion at one part of said seam, and a plurality of closely-spaced groove means extending transversely to the length of the overlapping edge portion disposed along the entire length of said overlapping edge portion for preventing blocking of the continuation of the tear across the other part of the seam.
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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) | 1980-10-10 | 1981-04-11 | 1981-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-10 | 1985-04-11 | 1985-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-10 | 1989-04-11 | 1989-10-11 | $7700.00 | Window Closed / Lapsed |