Vente d'un brevet d'invention

Ce droit est constaté par un titre délivré sous le nom de brevet d'invention

| the......, ete., of a... ï

This sale is made for the following price and consideration, to wit : 1° For the first edition, a sum of... , payable in... instal- . dollars each, the first instalment to become due on the... , ete. ; 20 And for every subsequent edition a sum of payable on the day of publication of each edition,

It is “xpressly agreed that if Mr. A... ; publishes a complete edition of his works, he shall have a right to comprise therein the work hereby sold without paying any indemnity to Mr. B......

Done and passed, ete.

ouvernement confère, sans garantie, pour toute dans tous Îles genres d’industrie, le

droit exclusif à son auteur

Mr. A... , ete, Who for good and sufficient consideration and value received before the execution of

| these presents, from Mr. B..... , ete., doth | hereby sell, assign, convey and make over, | with guarantee against all troubles, reven-

dication and impediments whatsoever, unto Mr. B..,etc., hereto present and accepting ; all the rights and exclusive privileges be-

| longing to the vendor by virtue of a certain

patent, issued and granted unto him by the Governor-General of Canada, in Conneil, on etc., (describe the invention as in the patent) together with allthe rights and titles of the vendor in and to the invention for which th2 said patent was issued ; to have, hold, usc, enjoy and dispose of the same by the purchaser, his heirs and assigns, as their own, henceforth forever, — Mr. A... hereby subrogating him, to that effect, in all his rights, title and claims in and to the said invention and patent.

It is further agreed that all certificates of addition or improvements to the said invention which may be hereafter delivered, either to Mr. A... or to Mr. B....., shall be

| to the exclusive benefit of the latter,

reconnaît que M. A... lui a remis une copie dûment certifiée de l’arreté | en conseil lui conférant son brevêt d’inven- | tion, et les descriptions et desseins de ladite

invention, conformes à ceux qui ont été | fournis à l’appui de sa demande en obtention du brevêt, du gouverneur général, en | conseil.

| Pour l’exécution, etc, | Dont acte, etc.

Mr. B...... hereby acknowledges that Mr.

Aires has remitted to him a duly certified copy of the Order in Council granting him the said patent, as also the description, drawings, diagrams and models, etc., of the

| said invention, similar to those which have

been furnished in support of his petition for

| said patent to the Governor-General in

Council.

For the execution, ect, Done and passed, etc,