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A patent application or patent may contain drawings, also called patent drawings, illustrating the invention, some of its embodiments (which are particular implementations or methods of carrying out the invention), or the prior art. The drawings may be required by the law to be in a particular form, and the requirements may vary depending on ...
U.S. patent 405,859 - Method of Electrical Power Transmission - 1889 June 25 - New and useful method of bringing up the motor to a desirable speed; Forms of alternating current machines, connected to alternating current generators, can be run as synchronous motor; Prior, alternating current will not start it; Construct a generator with two ...
A provisional application includes a specification, i.e., a description, and drawing(s) of an invention (drawings are required where necessary for the understanding of the subject matter sought to be patented [10]), but does not require formal patent claims, inventors' oaths or declarations, or any information disclosure statement (IDS).
Design patents can be invalidated if the design is dictated solely by function (e.g. the outline of a key blade blank). Design patents are valid for 14 years from the date of issue if filed prior to May 13, 2015, or 15 years from the date of issue if filed on or after May 13, 2015. [14] [15] There are no maintenance fees.
Article 1, 2nd sentence, states that "[n]or should it [Article 69 EPC] be taken to mean that the claims serve only as a guideline and that the actual protection conferred may extend to what, from a consideration of the description and the drawings by a "person skilled in the art", the patent proprietor has contemplated". [3]
U.S. Patent No. 9,999,999 Smith [Patent] Claim 1. A filter comprising a housing, Smith teaches "the filter housing the housing having an outer wall, having an outer wall 1, a closed end, a closed end 2, an open end, and: an open end 3, a lid: and a hinged lid 4 attachable to the open end... that is securable to the open end 3 via clamp 5."
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