Chamber lid lifting apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 27, 2011
Grant Date -
N/A
app pub date -
Oct 16, 2007
filing date -
Oct 16, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A chamber lid lifting apparatus operable to lift a chamber lid of a semiconductor processing chamber is provided. The chamber lid lifting apparatus includes a handle. The handle includes a short end and a long end that together form a lever. The short end is operable to be temporarily coupled to a lid pivot point of the chamber lid. The long end is operable to transfer an applied force to the short end. The transferred force is operable to lift the chamber lid at the lid pivot point.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
NATIONAL SEMICONDUCTOR CORPORATION | 2900 SEMICONDUCTOR DRIVE M/S D3-579 SANTA CLARA CA 95051 |
International Classification(s)

- 2007 Application Filing Year
- B66F Class
- 161 Applications Filed
- 67 Patents Issued To-Date
- 41.62 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Sarver, Roger P | Gorham, US | 2 | 11 |
# of filed Patents : 2 Total Citations : 11 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 3 Citation Count
- B66F Class
- 9.57 % this patent is cited more than
- 14 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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