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 D629431


Design Patent #D629431: EXTRACTION HEAD FOR REMOVING CERAMIC FOAM FILTERS


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Application Number: 29334244
Filing Date: 2009-03-23
Description, Images, Claims, Inventor, and history on Google Patents
Application Status: Patented Case
Status Date: 2010-12-01
Patent Issue Date: 2010-12-21
Expected Expiration: 2024-12-21

Patent #D629431 is in USPC Patent Class D15 and Subclass 139000.

Macro View of Patent Class D15

Patent Class Description: Machines not elsewhere specified
This patent was issued in 2010. Below is a comparison of Invention Patent Rates in the preceding and proceeding few years for Patent Class D15:
Inventions in 2007620Change in %
Inventions in 2008545-12.10%
Inventions in 2009511-6.24%
Inventions in 201066930.92%
Inventions in 20117065.53%
Inventions in 201283818.70%
Inventions in 2013100620.05%

Micro View of Patent Class D15 & Subclass 139000

Patent Subclass Description (on USPTO.gov)
This patent was granted (issued) in 2010. Below is a comparison of Subclass Invention Rates in the preceding and proceeding few years for Patent Subclass 139000:
Inventions in 200752Change in %
Inventions in 200833-36.54%
Inventions in 2009343.03%
Inventions in 20105150.00%
Inventions in 201142-17.65%
Inventions in 201235-16.67%
Inventions in 20135351.43%