Two-way envelope with inside return seal flap

Claim 2

A two-way envelope, which comprises: (a) a front panel having: (1) inner and outer surfaces; and (2) upper, lower and side edges; (b) a back panel having: (1) inner and outer surfaces; and (2) upper, lower and side edges; (c) said back panel being integrally connected to said front panel and demarcated therefrom by a lower fold line extending along said front and back panel lower edges; (d) an initial seal flap integrally connected to said front panel by an initial seal flap tear line extending along said front panel, said initial seal flap tear line at least in part being closely spaced to said back panel upper edge; (e) a return flap having proximate, distal and side edges, said return flap being integrally connected to said back panel and demarcated therefrom by a return flap fold line extending along said back panel upper and said return flap proximate edges; (f) a return flap extension having proximate, distal and side edges, said return flap extension being integrally connected to said return flap and demarcated therefrom by an extension fold line extending along said return flap distal and said extension proximate edges, said return flap and said extension being folded with respect to each other and positioned within said envelope; and (g) a pair of side flaps each being integrally connected to and demarcated from one of said front and back panels by a respective side flap fold line extending along a respective front or back panel side edge, each said side flap being secured to the other of said front and back panels over an area terminating below the upper edge of said other panel an amount sufficient to facilitate withdrawl of said folded return flap and extension.

Claim 3

The envelope according to claim 1, which includes: (a) mailing materials placed in said envelope between said front panel and one of said return flap and extension.

Claim 4

The envelope according to claim 1 wherein said side flaps are integrally connected to said front panel and secured to said back panel.

Claim 5

The envelope according to claim 3 wherein said side flaps are secured to said back panel inner surface.

Claim 6

The envelope according to claim 1 wherein said extension is positioned against said back panel.

Claim 7

The envelope according to claim 1 wherein said return flap is positioned against said back panel.

Claim 8

The envelope according to claim 1 which includes: (a) said initial seal flap having a fold line extending in closely spaced relation to said tear line.

Claim 9

The envelope according to claim 1 which includes: (a) said tear line and said return flap fold line being colinear.

Claim 10

The envelope according to claim 1 which includes: (a) a window opening extending through said front panel; and (b) said extension being adapted to cover said window opening.

Claim 11

The envelope according to claim 9 which includes: (a) a return address on said extension.

Claim 12

A two-way envelope, which comprises: (a) a front panel having: (1) inner and outer surfaces; and (2) upper, lower and side edges; (b) a back panel having: (1) inner and outer surfaces; and (2) upper, lower and side edges; (c) said back panel being integrally connected to said front panel and demarcated therefrom by a lower fold line extending along said front and back panel edges; (d) an initial seal flap integrally connected to said panel by an initial seal flap tear line extending along said front panel, said initial seal flap tear line at least in part being closely spaced to said back panel upper edge; (e) a return flap having proximate, distal and side edges, said return flap being integrally connected to said back panel and demarcated therefrom by a return flap fold line extending along said back panel upper and said return flap proximate edges; (f) a return flap extension having proximate, distal and side edges, said return flap extension being integrally connected to said return flap and demarcated therefrom by an extension fold line extending along said return flap distal and said extension proximate edges, said return flap and said extension being folded with respect to each other and positioned within said envelope with said extension against said back panel; (g) mailing materials located in said envelope between said front panel and said return flap; and (h) a pair of side flaps each being integrally connected to and demarcated from said front panel by a respective side flap fold line extending along a respective front panel side edge, each said side flap being secured to the back panel over an area terminating below the back panel upper edge an amount sufficient to permit easy withdrawl of the folded return flap and extension.

Claim 13

A two-way envelope, which comprises: (a) a front panel having: (1) inner and outer surfaces; and (2) upper, lower and side edges; (b) a back panel having: (1) inner and outer surfaces; and (2) upper, lower and side edges; (c) said back panel being integrally connected to said front panel and demarcated therefrom by a lower fold line extending along said front and back panel edges; (d) an initial seal flap integrally connected to said panel by an initial seal flap tear line extending along said front panel, said initial seal flap tear line at least in part being closely spaced to said back panel upper edge; (e) a return flap having proximate, distal and side edges, said return flap being integrally connected to said back panel and demarcated therefrom by a return flap fold line extending along said back panel upper and said return flap proximate edges; (f) a return flap extension having proximate, distal and side edges, said return flap extension being integrally connected to said return flap and demarcated therefrom by an extension fold line extending along said return flap distal and said extension proximate edges, said return flap and said extension being folded with respect to each other and positioned within said envelope with said extension against said back panel; (g) mailing materials located in said envelope between said front panel and said return flap; and (h) a pair of side flaps each being integrally connected to and demarcated from said front panel by a respective side flap fold line extending along a respective front panel side edge, each said side flap being secured to the back panel over an area terminating below the back panel upper edge an amount sufficient to permit easy withdrawl of the folded return flap and extension.

Claim 14

The envelope according to claim 11 wherein said side flaps are secured to said back panel outer surface.

Claim 15

The envelope according to claim 11 wherein said side flaps are secured to said back panel inner surface.

Claim 16

The envelope according to claim 11 wherein: (a) said pocket is accessible by automatic insertion equipment through said front and back panel upper edges with said return flap and said extension folded between said front and back panels.

Claim 17

The envelope according to claim 11 which includes: (a) said front panel having a window opening extending therethrough; and (b) said extension being adapted to cover said window opening.

Claim 18

The envelope according to claim 11, which includes: (a) a return address on said extension.

Claim 19

The envelope according to claim 11, which includes: (a) bar code indicia applied to said return flap and designating said envelope as business reply mail or courtesy reply mail.