US4236657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backpack
Assignee: Individual
•
Filing: 1979-02-21
•
Granted: 1980-12-02
•
Expires: 1999-02-21
Abstract
Abstract A back pack with shoulder straps has a flap along one rear side edge thereof and a pair of leaves are hingedly connected by a zip to said flap; the leaves form an envelope which opens out at right angle to the zip when the leaves are arranged in a packing position, enabling clothes to be received neatly into said envelope whereupon the leaves are wrapped around one another and the pack in a stouted position and secured; the envelope is detachable from the pack and has a handle to permit use as a release.
Inventors
- 👤 Ronald G. Brunton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:25
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/04
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
117 words
A traveller's pack comprising a backpack having a face for contacting the wearer's back and shoulder straps secured to said face, said pack having at least one straight side and an elongate leaf which leaf has a substantially central minor axis such that the leaf includes two superimposable halves, said leaf being connected along said minor axis to said straight side of the pack, each of the halves of the leaf being arrangeable in both a packing position in which they lie extended for supporting articles to be packed or unpacked and a stowed position in which they are wrapped around the back pack and each other and are secured in that position to the back pack.
Claim 2
Dependent Claim
117 words
A traveller's pack comprising a backpack having a face for contacting the wearer's back and shoulder straps secured to said face, said pack having at least one straight side and an elongate leaf which leaf has a substantially central minor axis such that the leaf includes two superimposable halves, said leaf being connected along said minor axis to said straight side of the pack, each of the halves of the leaf being arrangeable in both a packing position in which they lie extended for supporting articles to be packed or unpacked and a stowed position in which they are wrapped around the back pack and each other and are secured in that position to the back pack.
Claim 3
Dependent Claim
45 words
A traveller's pack as claimed in claim 1 wherein the two halves of the leaf form one face of an envelope, the other face being formed by two flaps which are closable and securable to imprison within the envelope, items of clothing laid flat therein.
Claim 4
Dependent Claim
42 words
A traveller's pack as claimed in claim 2 wherein the envelope is disconnectable from the pack and is foldable along said minor axis and there is a carrying handle on the envelope which permits the latter to be carried as a valise.
Claim 5
Dependent Claim
124 words
A traveller's pack as claimed in claim 3 wherein said pack has a rear face, a rear flap extending from said rear face along said straight side and a front flap extending from said front face along said straight side and the envelope has a face which is connectable along said minor axis to the pack by a zip of which one half of the stringers project from said rear flap and the remaining half of the stringers project from said one envelope face while the front flap has a spare set of stringers as projecting therefrom, said front and rear flaps being of such width as permits a pairing of the stringers on the flaps when the envelope is disconnected from the pack.
Claim 6
Dependent Claim
45 words
A traveller's pack claimed in claim 2 wherein the envelope has an end edge and a stiffening member at said edge and an eye connected to said member for suspending the envelope vertically as a clothes tidy when the envelope is disconnected from the pack.
Claim 7
Dependent Claim
26 words
A traveller's pack as claimed in claim 2 wherein the half of the leaf which is in the stowed position lies outermost, supports a removable satchel.
Claim 8
Dependent Claim
45 words
A traveller's pack as claimed in claim 1 wherein the two halves of the leaf form one face of an envelope, the other face being formed by a superimposed sheet of fabric which is connected edge to edge with the leaves by a releasable fastener.
Claim 9
Dependent Claim
100 words
A traveller's pack comprising a backpack having a face for contacting the wearer's back and shoulder straps secured to said face; said pack having a pair of mutually opposite sides; a substantially rectangular envelope connected to one of said sides along an off-center minor axis thereof, said envelope being arrangeable in a packing position in which a first portion of said envelope on one side of said axis and a second portion of said envelope on the other side of said axis lie extended, and a stowed position in which said portions are wrapped around the backpack and each other.
Claim 10
Dependent Claim
100 words
A traveller's pack comprising a backpack having a face for contacting the wearer's back and shoulder straps secured to said face; said pack having a pair of mutually opposite sides; a substantially rectangular envelope connected to one of said sides along an off-center minor axis thereof, said envelope being arrangeable in a packing position in which a first portion of said envelope on one side of said axis and a second portion of said envelope on the other side of said axis lie extended, and a stowed position in which said portions are wrapped around the backpack and each other.
Claim 11
Dependent Claim
59 words
A traveller's pack as claimed in claim 8 wherein said one of said sides of said backpack includes an extending flap to which is sewn half the stringers of a zip fastener, a mating row of stringers is sewn to the off-center minor axis of said envelope, said envelope being connected to said backpack by means of said stringers.
Claim 12
Dependent Claim
53 words
A traveller's pack as claimed in claim 9 wherein said one of said sides of said backpack includes a second flap having half the stringers of a zip fastener projecting therefrom, said flaps being of such width as to permit pairing of their respective stringers when the envelope is disconnected from the pack.
Claim 13
Dependent Claim
31 words
A traveller's pack as claimed in claim 8 wherein said envelope includes one face formed by a leaf and an opposite face formed by two flaps which are closable and securable.
Claim 14
Dependent Claim
15 words
A traveller's pack as claimed in claim 8 wherein said envelope includes a carrying handle.
Claim 15
Dependent Claim
28 words
A traveller's pack as claimed in claim 8 wherein the envelope has an end edge, a stiffening member at said edge, and a ring connected to said member.
References Cited (Backward Citations)
US417301A
Cited
USRE25826E
Cited
US1491807A
Cited
US2180191A
Cited
US2428795A
Cited
US3933229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-12-02 | 1984-06-02 | 1984-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-02 | 1988-06-02 | 1988-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-02 | 1992-06-02 | 1992-12-02 | $7700.00 | Window Closed / Lapsed |