Expired Patent Awareness System

BDTwo Patent Monitoring

Blooms (Plant Patents), Designs (Design Patents) & Developments (Utility Patents) distributed via Big Data.

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Expiring Patents Search Results for Design Patent Number D631161


Design Patent #D631161: SURGICAL KNIFE


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Application Number: 29317101
Filing Date: 2008-04-23
Description, Images, Claims, Inventor, and history on Google Patents
Application Status: Patented Case
Status Date: 2010-12-28
Patent Issue Date: 2011-01-18
Expected Expiration: 2025-01-18

Patent #D631161 is in USPC Patent Class D24 and Subclass 147000.

Macro View of Patent Class D24

Patent Class Description: Medical and laboratory equipment
This patent was issued in 2011. Below is a comparison of Invention Patent Rates in the preceding and proceeding few years for Patent Class D24:
Inventions in 20081104Change in %
Inventions in 200911917.88%
Inventions in 2010133011.67%
Inventions in 2011152914.96%
Inventions in 20121480-3.20%
Inventions in 2013178120.34%
Inventions in 201418232.36%

Micro View of Patent Class D24 & Subclass 147000

Patent Subclass Description (on USPTO.gov)
This patent was granted (issued) in 2011. Below is a comparison of Subclass Invention Rates in the preceding and proceeding few years for Patent Subclass 147000:
Inventions in 200819Change in %
Inventions in 200915-21.05%
Inventions in 20102460.00%
Inventions in 201113-45.83%
Inventions in 20121623.08%
Inventions in 2013160.00%
Inventions in 20142237.50%