US3635392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reusable envelope
Assignee: Individual
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Filing: 1969-12-22
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Granted: 1972-01-18
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Expires: 1989-12-22
Abstract
Abstract A reusable envelope for carrying sheet material therein and being defined by a one-piece blank having a central portion to which side and end flaps are integrally joined and that are folded relative thereto; the end flaps being adhered in place when the envelope is initially sealed, and a tear tab being formed on one of the end flaps and being stripped therefrom to disconnect the end flap to which it is joined from the other end flap, wherein the other end flap may be withdrawn from the closed position for removal of the contents of the envelope, and thereafter is reinsertable into a positive closed position when the envelope is to be reused.
Inventors
- 👤 Harvey W Burgher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:26
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/06; B65D27/32; B65D27/38; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
269 words
A reusable envelope in which sheet material is adapted to be carried, comprising a one-piece blank that includes a central portion to which side flaps, a first end flap and a second end flap are integrally joined along fold lines, said flaps being folded along said fold lines relative to said central portion and into overlying relation with respect thereto, said second end flap being permanently secured to said side flapS in the folded position thereof, said first end flap being removably secured to said second flap and having an outwardly extending tongue joined thereto that is received beneath said second end flap in the closed position thereof, said second end flap including an end portion that is adhered to the first end flap when the end flaps are sealed in the closed position, a tear tab formed on said second end flap adjacent to the end portion thereof and being defined by spaced laterally extending perforated lines, said tear tab being removable from said second end flap by tearing along the perforated lines, wherein the second end flap is disengaged from said end portion to release the first end flap from adhered engagement with said second end flap, whereafter the tongue of said end flap is removable from beneath the second end flap that is still adhered to said side flaps, the first end flap being pivotal about its fold line to an outward position to expose the interior of said envelope, said tongue thereafter being insertable beneath said second end flap to close said envelope when said envelope is to be reused after the initial opening thereof.
Claim 2
Dependent Claim
269 words
A reusable envelope in which sheet material is adapted to be carried, comprising a one-piece blank that includes a central portion to which side flaps, a first end flap and a second end flap are integrally joined along fold lines, said flaps being folded along said fold lines relative to said central portion and into overlying relation with respect thereto, said second end flap being permanently secured to said side flapS in the folded position thereof, said first end flap being removably secured to said second flap and having an outwardly extending tongue joined thereto that is received beneath said second end flap in the closed position thereof, said second end flap including an end portion that is adhered to the first end flap when the end flaps are sealed in the closed position, a tear tab formed on said second end flap adjacent to the end portion thereof and being defined by spaced laterally extending perforated lines, said tear tab being removable from said second end flap by tearing along the perforated lines, wherein the second end flap is disengaged from said end portion to release the first end flap from adhered engagement with said second end flap, whereafter the tongue of said end flap is removable from beneath the second end flap that is still adhered to said side flaps, the first end flap being pivotal about its fold line to an outward position to expose the interior of said envelope, said tongue thereafter being insertable beneath said second end flap to close said envelope when said envelope is to be reused after the initial opening thereof.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |