US4140254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canteen construction
Assignee: METAL WARE Corp A CORP OF WI
•
Filing: 1977-07-08
•
Granted: 1979-02-20
•
Expires: 1997-07-08
Abstract
Abstract A composite construction of a cylindrical tank with fabric covered end panels surrounded by a sheet metal circular frame, the longitudinal edges of the frame are formed inwardly engaging the edges of the tank while the lateral edges of the frame form a lapping joint with the exposed lateral edge shaped with an inward radius. Formed in the frame are a plurality of carrying strap supports, each of which includes a pair of slots cut in the frame having rounded ends.
Inventors
- 👤 Elvert H. Land
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:18
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/16; A45F3/18
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
129 words
A canteen construction including a cylindrical tank with a closeable opening therein, a sheet metal circular frame surrounding the circumference of the tank having a lateral joint therein, the circumferential edges of the frame are inwardly formed flanges engaging the edges of the tank; a plurality of strap support means formed in the frame around its periphery for receiving a carrying strap, each support means includes a pair of closely spaced parallel slots having rounded ends and parallel sides, the area of the frame between said slots being formed upwardly out of the plane of the frame so that at least one side of each slot is outside the plane of the frame and whereby said rounded ends of the slots minimize the abrasive effect on the carrying strap.
Claim 2
Dependent Claim
129 words
A canteen construction including a cylindrical tank with a closeable opening therein, a sheet metal circular frame surrounding the circumference of the tank having a lateral joint therein, the circumferential edges of the frame are inwardly formed flanges engaging the edges of the tank; a plurality of strap support means formed in the frame around its periphery for receiving a carrying strap, each support means includes a pair of closely spaced parallel slots having rounded ends and parallel sides, the area of the frame between said slots being formed upwardly out of the plane of the frame so that at least one side of each slot is outside the plane of the frame and whereby said rounded ends of the slots minimize the abrasive effect on the carrying strap.
Claim 3
Dependent Claim
25 words
A canteen construction as set forth in claim 1, wherein the strap support means includes a strengthening rib formed in the frame between the slots.
Claim 4
Dependent Claim
47 words
A canteen construction as set forth in claim 1, wherein the strap supporting means are spaced around the periphery of the frame with each supporting means including a strengthening rib formed between the slots with a length approximate that of the slots in the upwardly formed area.
Claim 5
Dependent Claim
27 words
A canteen construction as set forth in claim 1, wherein the outer sides of each parallel slot are downwardly formed out of the plane of the frame.
References Cited (Backward Citations)
US231A
Cited
US14646A
Cited
US361718A
Cited
US828891A
Cited
US1098850A
Cited
US1041347A
Cited
US1051558A
Cited
US1907884A
Cited
US2196486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-19 | 1982-08-21 | 1983-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-19 | 1986-08-21 | 1987-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-19 | 1990-08-21 | 1991-02-20 | $7700.00 | Window Closed / Lapsed |