Variable flow infant feeding assembly
CA 2483898 A1 · Owner: Davis, Charles P. · Inventors: Hatherill, Mark; Davis, Charles P.; Johnson, Kevin D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A variable flow infant feeding assembly is designed so that a caregiver can select an optimal feeding flow rate without having to change nipples as may , be desired depending upon the age and appetite of the infant as well as the liquid that is being dispensed. Preferably the assembly includes a baby , bottle and a nipple member (14) that has ventilation structure (24,26,28) defined therein for permitting replacement air to enter the baby bottle during feeding. Retention structure such as a threaded ring member is provided for securing the nipple member to the baby bottle. Advantageously variable , restrictor structure (44,46,48) is provided preferably so as to be integral , with the …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 5, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 5, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.