Method of making strings of pocketed springs
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 19, 2017
Issued Date -
N/A
app pub date -
Feb 24, 2015
filing date -
Feb 26, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus for ventilating a web of material used in the manufacture of pocketed springs may be removably attached to a pocket coiler. The apparatus has an upper movable portion which pivots relative to a stationary portion. The stationary portion may be removably attached to the pocket coiler. Each portion has at least one roller, a web of material passing between the rollers during use. One of the rollers may have protrusions to create openings in the material before the material enters the pocket coiler.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date | Type | Sub-Type |
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International Classification(s)
- 2015 Application Filing Year
- D06C Class
- 40 Applications Filed
- 20 Patents Issued To-Date
- 50 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- D06C Class
- 36.21 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 19, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 19, 2029 |
