Paulownia based fenestration structures
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 25, 2017
Grant Date -
Dec 17, 2015
app pub date -
Jun 15, 2015
filing date -
Jun 13, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The fenestration structures include external frame segments facing the interior and exterior surfaces of a building wall, and an internal frame segment “sandwiched” between the external frame segments. The external frame segments are made from a relatively hard, dense and/or resilient material, such as hard wood, while the internal frame segment is made from paulownia which is a moisture-resistant, dimensionally stable thermal barrier material. The external frame segments therefore provide durable and attractive exterior and interior surfaces of the fenestration frame, while the internal paulownia segment provides superior resistance to thermal transfer across the frame, while also remaining dimensionally stable across a variety of moisture and temperature levels. Internal paulownia segments may be positioned around the entire periphery of the fenestration frame to create a comprehensive thermal barrier.
First Claim
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Family
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
PELLA CORPORATION | 102 MAIN STREET PELLA IA 50219 |
International Classification(s)

- 2015 Application Filing Year
- E06B Class
- 839 Applications Filed
- 647 Patents Issued To-Date
- 77.12 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Eisenbarth, Travis M | Pella, US | 5 | 30 |
# of filed Patents : 5 Total Citations : 30 | |||
Vande, Haar Evan R | Pella, US | 40 | 412 |
# of filed Patents : 40 Total Citations : 412 |
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Patent Citation Ranking
- 4 Citation Count
- E06B Class
- 25.33 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 25, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Oct 09, 2024 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Oct 01, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Apr 25, 2017 | I | Issuance | |
Apr 05, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 17, 2015 | P | Published | |
Aug 14, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:EISENBARTH, TRAVIS M.;VANDE HAAR, EVAN R.;SIGNING DATES FROM 20150731 TO 20150804;REEL/FRAME:036325/0211 Owner name: PELLA CORPORATION, IOWA |
Jun 15, 2015 | F | Filing | |
Jun 13, 2014 | PD | Priority Date |

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