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Expiring Patents Search Results for Design Patent Number D631134

Design Patent #D631134: FIRE HYDRANT

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Application Number: 29329831
Filing Date: 2008-12-22
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 #D631134 is in USPC Patent Class D23 and Subclass 238000.

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 2008	1144	Change in %
Inventions in 2009	1229	7.43%
Inventions in 2010	1152	-6.27%
Inventions in 2011	1165	1.13%
Inventions in 2012	1327	13.91%
Inventions in 2013	1220	-8.06%
Inventions in 2014	1271	4.18%

Micro View of Patent Class D23 & Subclass 238000

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 238000:

Inventions in 2008	63	Change in %
Inventions in 2009	37	-41.27%
Inventions in 2010	56	51.35%
Inventions in 2011	69	23.21%
Inventions in 2012	72	4.35%
Inventions in 2013	57	-20.83%
Inventions in 2014	45	-21.05%

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Expiring Patents Search Results for Design Patent Number D631134

Design Patent #D631134: FIRE HYDRANT

Patent #D631134 is in USPC Patent Class D23 and Subclass 238000.

Macro View of Patent Class D23

Micro View of Patent Class D23 & Subclass 238000