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Expiring Patents Search Results for Design Patent Number D631216

Design Patent #D631216: VACUUM CLEANER

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Application Number: 29345089
Filing Date: 2009-10-09
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 #D631216 is in USPC Patent Class D32 and Subclass 031000.

Macro View of Patent Class D32

Patent Class Description: Washing, cleaning, or drying machine

This patent was issued in 2011. Below is a comparison of Invention Patent Rates in the preceding and proceeding few years for Patent Class D32:

Inventions in 2008	351	Change in %
Inventions in 2009	337	-3.99%
Inventions in 2010	442	31.16%
Inventions in 2011	404	-8.60%
Inventions in 2012	344	-14.85%
Inventions in 2013	517	50.29%
Inventions in 2014	569	10.06%

Micro View of Patent Class D32 & Subclass 031000

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 031000:

Inventions in 2008	17	Change in %
Inventions in 2009	36	111.76%
Inventions in 2010	19	-47.22%
Inventions in 2011	36	89.47%
Inventions in 2012	16	-55.56%
Inventions in 2013	38	137.50%
Inventions in 2014	51	34.21%

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Expiring Patents Search Results for Design Patent Number D631216

Design Patent #D631216: VACUUM CLEANER

Patent #D631216 is in USPC Patent Class D32 and Subclass 031000.

Macro View of Patent Class D32

Micro View of Patent Class D32 & Subclass 031000