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Expiring Patents Search Results for Design Patent Number D629421

Design Patent #D629421: INTERNAL-COMBUSTION ENGINE

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Application Number: 29342764
Filing Date: 2009-08-31
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 #D629421 is in USPC Patent Class D15 and Subclass 001000.

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 2007	620	Change in %
Inventions in 2008	545	-12.10%
Inventions in 2009	511	-6.24%
Inventions in 2010	669	30.92%
Inventions in 2011	706	5.53%
Inventions in 2012	838	18.70%
Inventions in 2013	1006	20.05%

Micro View of Patent Class D15 & Subclass 001000

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 001000:

Inventions in 2007	18	Change in %
Inventions in 2008	10	-44.44%
Inventions in 2009	16	60.00%
Inventions in 2010	12	-25.00%
Inventions in 2011	7	-41.67%
Inventions in 2012	5	-28.57%
Inventions in 2013	10	100.00%

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Expiring Patents Search Results for Design Patent Number D629421

Design Patent #D629421: INTERNAL-COMBUSTION ENGINE

Patent #D629421 is in USPC Patent Class D15 and Subclass 001000.

Macro View of Patent Class D15

Micro View of Patent Class D15 & Subclass 001000