Patent US3718276A successfully refreshed from Google Patents.
US3718276A
Expired / Lapsed
US
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Envelope
Assignee: DOUBLE ENVELOPE CORP
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Filing: 1971-05-27
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Granted: 1973-02-27
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Expires: 1991-05-27
Abstract
Abstract A combination envelope especially for use to deliver processed photographic negatives and prints from the processor to the customer, the envelope having a separable pocket for later use in filing the negatives.
Inventors
- 👤 D Vandergrift
- 👤 D Secrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:52
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/06; B65D27/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
149 words
An envelope comprising a generally rectangular back panel, a closure flap secured by a fold line to said back panel, side flaps folded over said back panel, and a front panel secured by a fold line opposite to the closure flap to the bottom edge of said back panel and adhered to said side flaps to form a first envelope pocket, a second envelope pocket comprising a back panel and a front panel formed of an extension of the said front panel of said first envelope pocket by a fold line along the top edge thereof, the back panel of said second envelope pocket being secured by a fold line to the top edge of said front panel of said first envelope pocket, said second envelope pocket being closed at at least one end by an adhesive connection between said front and back panels of said second envelope pocket.
Claim 2
Dependent Claim
149 words
An envelope comprising a generally rectangular back panel, a closure flap secured by a fold line to said back panel, side flaps folded over said back panel, and a front panel secured by a fold line opposite to the closure flap to the bottom edge of said back panel and adhered to said side flaps to form a first envelope pocket, a second envelope pocket comprising a back panel and a front panel formed of an extension of the said front panel of said first envelope pocket by a fold line along the top edge thereof, the back panel of said second envelope pocket being secured by a fold line to the top edge of said front panel of said first envelope pocket, said second envelope pocket being closed at at least one end by an adhesive connection between said front and back panels of said second envelope pocket.
Claim 3
Dependent Claim
28 words
The envelope of claim 1, in which said fold line along the top edge of said front panel of said first envelope pocket is a line of weakness.
Claim 4
Dependent Claim
22 words
The envelope of claim 1, in which said second envelope pocket is of less length and depth than said first envelope pocket.
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) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |