Method of making a corrugated deflection diaphragm
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United States of America Patent
Stats
-
Jan 24, 2017
Grant Date -
Jan 1, 2015
app pub date -
Jun 27, 2014
filing date -
Jun 27, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A removable material is deposited or otherwise applied to a flat substrate surface in a pattern corresponding to desired corrugations in a membrane, e.g., a deflection diaphragm. The applied material serves as a scaffold for a polymeric material, which is applied thereover, and following cure or hardening, the polymeric material is removed to form a finished corrugated membrane.
First Claim
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International Classification(s)
- F16K:VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B81C:PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE M....
- F04B:POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- A61M:DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE B....
- B44C:PRODUCING DECORATIVE EFFECTS
- 2014 Application Filing Year
- F16K Class
- 1571 Applications Filed
- 1342 Patents Issued To-Date
- 85.43 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F16K Class
- 31.02 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 24, 2028 |
