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 D631150


Design Patent #D631150: FAN HOUSING


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Application Number: 29317847
Filing Date: 2008-05-08
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 #D631150 is in USPC Patent Class D23 and Subclass 411000.

Macro View of Patent Class D23

Patent Class Description: Environmental heating and cooling; fluid handling and sanitary 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 D23:
Inventions in 20081144Change in %
Inventions in 200912297.43%
Inventions in 20101152-6.27%
Inventions in 201111651.13%
Inventions in 2012132713.91%
Inventions in 20131220-8.06%
Inventions in 201412714.18%

Micro View of Patent Class D23 & Subclass 411000

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 411000:
Inventions in 200838Change in %
Inventions in 20094826.32%
Inventions in 201040-16.67%
Inventions in 201114-65.00%
Inventions in 201238171.43%
Inventions in 201311-71.05%
Inventions in 201438245.45%