Patent US3762628A successfully refreshed from Google Patents.
US3762628A
Expired / Lapsed
US
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Coupon-confining bag, method and apparatus
Assignee: PPG Industries Inc
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Filing: 1971-05-17
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Granted: 1973-10-02
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Expires: 1991-05-17
Abstract
Abstract A coupon-confining bag wherein flexible transparent thermoplastic sheets are united along three sides to provide a separate interior compartment for a coupon.
Inventors
- 👤 C Sargent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:51
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/12; Y; Y10; Y10S; Y10S206/00; Y10S206/831
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
126 words
A coupon-confining bag comprising a rectangular thermoplastic flexible transparent sheet folded on itself to provide first and second outer panels united at one end thereof by a fold line, a third panel interposed between said first and second panels and unIted by a linear seal to said second panel a spaced distance from said one end, each of said second and third panels extending beyond said linear seal on the side thereof remote from said one end, each of said second and third panels further extending from said linear seal toward said one end a coupon positioned between said second and third panels and also between said linear seal and said fold line, all three panels being united along spaced lines perpendicular to said one end.
Claim 2
Dependent Claim
126 words
A coupon-confining bag comprising a rectangular thermoplastic flexible transparent sheet folded on itself to provide first and second outer panels united at one end thereof by a fold line, a third panel interposed between said first and second panels and unIted by a linear seal to said second panel a spaced distance from said one end, each of said second and third panels extending beyond said linear seal on the side thereof remote from said one end, each of said second and third panels further extending from said linear seal toward said one end a coupon positioned between said second and third panels and also between said linear seal and said fold line, all three panels being united along spaced lines perpendicular to said one end.
Claim 3
Dependent Claim
20 words
The bag of claim 1 in which said third panel extends further from said one end than said second panel.
Claim 4
Dependent Claim
20 words
The bag of claim 1 in which said second panel extends further from said one end than said third panel.
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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |