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 D629531


Design Patent #D629531: CENTRIFUGALLY CAST DUCTILE IRON UTILITY POLE HAVING STEPPED PORTIONS


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Application Number: 29333095
Filing Date: 2009-03-03
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 #D629531 is in USPC Patent Class D25 and Subclass 126000.

Macro View of Patent Class D25

Patent Class Description: Building units and construction elements
This patent was issued in 2010. Below is a comparison of Invention Patent Rates in the preceding and proceeding few years for Patent Class D25:
Inventions in 2007435Change in %
Inventions in 2008415-4.60%
Inventions in 2009382-7.95%
Inventions in 20104189.42%
Inventions in 20114220.96%
Inventions in 201255030.33%
Inventions in 20135571.27%

Micro View of Patent Class D25 & Subclass 126000

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 126000:
Inventions in 200711Change in %
Inventions in 2008129.09%
Inventions in 20091958.33%
Inventions in 20102110.53%
Inventions in 201114-33.33%
Inventions in 2012157.14%
Inventions in 201310-33.33%