Automotive oil system

Claim 2

Automotive oil system, comprising: (a) a new oil container having a pouring spout, (b) a container for used oil having an admission opening, (c) first means holding the two containers together before use, and (d) second means holding the containers together after use, including a closure for the admission opening in the container for used oil.

Claim 3

Automotive oil system as recited in claim 1, wherein both containers are relatively thin and broad and the first means is a socket on one container and a peg on the other container holding them together before use.

Claim 4

Automotive oil system as recited in claim 1, wherein the container for used oil is provided with a broad, inwardly-directed recess and the new oil container has an outwardly-directed protuberance that fits snugly in the said recess to lock the containers together after use.

Claim 5

Automotive oil system as recited in claim 3, wherein the containers are joined by a hinged strap that permits one container to swing relative to the other from a first position in which the containers are side-by-side to a second position in which they are in open, end-to-end relationship.

Claim 6

Automotive oil system as recited in claim 4, wherein one of the containers is provided with an integral handle.

Claim 7

Automotive oil system, comprising: (a) an oil container for used oil having a generally-flat configuration defined by two broad, spaced parallel walls, one of the walls having a broad shallow recess, (b) a new oil container having a form which is generally similar to that of the container for used oil and having two broad walls, one of the walls being formed with a protuberance, (c) a pouring nozzle formed on the new oil container, and (d) a receiving opening formed on the old oil container, the opening receiving the said protuberance in a snugly-fitting manner.

Claim 8

Automotive oil system, comprising: (a) an oil container for used oil having a generally-flat configuration defined by two broad, spaced parallel walls, one of the walls having a broad shallow recess, (b) a new oil container having a form which is generally similar to that of the container for used oil and having two broad walls, one of the walls being formed with a protuberance, (c) a pouring nozzle formed on the new oil container, and (d) a receiving opening formed on the old oil container, the opening receiving the said protuberance in a snugly-fitting manner.

Claim 9

Automotive oil system as recited in claim 6, wherein the containers are provided with means hinging them together at one extremity and means holding them together spaced substantially from the said extremity, an integral handle being formed on each of the containers at the other extremity.