Expired Patent Awareness System

BDTwo Patent Monitoring

Blooms (Plant Patents), Designs (Design Patents) & Developments (Utility Patents) distributed via Big Data.

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Patents Search Results for Utility Patent Number 7215902


Utility Patent #7215902: DEVELOPING CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING DEVICE, AND SLIDING SEALING ELEMENT


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Application Number: 11018815
Filing Date: 2004-12-22
Description, Images, Claims, Inventor, and history on Google Patents
USPC Classification: 399
USPC Subclassification: 103000
Application Status: Patented Case
Status Date: 2007-04-18
Patent Issue Date: 2007-05-08
Expected Expiration: 2024-12-22

Patent #7215902 is in USPC Patent Class 399 and Subclass 103000.

Macro View of Patent Class 399

Patent Class Description: Electrophotography
This patent was applied for in 2004. Below is a comparison of Invention Rates in the preceding and proceeding 3 years for Patent Class 399:
Inventions in 20011130Change in %
Inventions in 20021071-5.22%
Inventions in 2003137728.57%
Inventions in 200414938.42%
Inventions in 2005193229.40%
Inventions in 200619712.02%
Inventions in 200720272.84%

Micro View of Patent Class 399 & Subclass 103000

Patent Subclass Description (on USPTO.gov)
This patent was applied for in 2004. Below is a comparison of Subclass Invention Rates in the preceding and proceeding 3 years for Patent Subclass 103000:
Inventions in 200113Change in %
Inventions in 20021838.46%
Inventions in 20038-55.56%
Inventions in 20041250.00%
Inventions in 20051850.00%
Inventions in 200617-5.56%
Inventions in 200716-5.88%

Patent #7215902 NAICS (North American Industry Classification System)

Patents with USPC Class 399 typically affect these industries.

Macro View of USPC 399 to NAICS

USPC to NAICS probabilities:
USPC ClassNAICS CodeDescriptionAllocation
39932Manufacturing2.483%
39933Manufacturing97.517%

Why don't the percentages in MACRO and MICRO Match?

There are rounding errors experienced when converting USPC Classes to NAICS codes. Items with less than ~2.5% influence in a category are removed for clarity. For instance, multiple Micro classes can sum up to a Macro class greater than 2.5% without being delineated. Or a Macro view shows a number far larger than the sum of Micro categories because many small contributors were not shown. Eliminating categories (Macro or Micro) with less than ~2.5% influence results in small differences between the figures above and those below (to the right).
Click for reference papers.

Micro View of USPC 399 to NAICS

USPC to NAICS probabilities:
USPC ClassNAICS CodeDescriptionAllocation
399325Chemical Manufacturing2.106%
399333Machinery Manufacturing70.626%
399334Computer and Electronic Product Manufacturing14.709%
399339Miscellaneous Manufacturing12.56%