原文整理转载
将每件专利的标题、摘要、附图与法律状态等公开信息,整理转载为独立页面,便于直接查阅与引用,无需在多个数据库间辗转。
面向研究者、产品与设计人员,整理已进入公有领域的美国专利信息,并逐件核验其当前法律状态。
将每件专利的标题、摘要、附图与法律状态等公开信息,整理转载为独立页面,便于直接查阅与引用,无需在多个数据库间辗转。
每件专利均逐条核验其当前法律状态——属期满到期、维持费失效,抑或仍然有效,并标注查证依据,不以批量估算作一刀切的结论。
所载信息均来自美国专利商标局公开数据与公开专利记录,附原始来源,可核验、可引用。信息免费浏览,不设收费门槛。
以下为首批经逐件核验、确认已进入公有领域的美国消费品专利示例。状态为基于公开记录的核验结果,标注查证依据;完整信息可点击各条目查阅。
Food cooker
Bathtub table
Suspended fluid dispenser system and apparatus
Beverage container with removable top
Floor matting
Shipping container
Stackable molded cap
Heating bag for bakery products
Domestic cleaning appliance
Household appliance with adjustment mechanism for the door weight compensation device
Mattress with crowned panel
Inflatable cushioning device with manifold system
Activity and storage case
Device for accommodating objects, trolley, method for manufacturing a trolley, as well as transport means
Method and apparatus for environmental control according to perceived temperature
Planting of plant material
Upright note holder
Illuminated clipboard and method of use
Soft close ring binder mechanism with mating ring tips
Interactive play device and method
Electronics toy play set
Twilight device
专利法律状态会随缴费、恢复、诉讼等情形变化;公有领域的认定亦受同族专利、地域差异等因素影响。请在使用前注意以下事项。