Folding propeller
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 28, 2023
Grant Date -
Jul 8, 2021
app pub date -
Sep 7, 2016
filing date -
Feb 18, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention discloses a folding propeller (1) for a boat, e.g. for a sailboat or a multihull yacht, where said folding propeller (1) comprises a hub (2) for directly or indirectly fastening at a driveshaft connected to a motor, where said folding propeller (1) further comprises at least three individual blades (3), where each of said blades (3) comprises a blade root (4) arranged to pivot around a separate pivot pin (9), at said hub (2) in order to be either in a first and operative position, where the blade (3) is pointing mainly in a radial direction, or in a second and inoperative position, where the blade (3) is pointing mainly in an axial direction, where said pivot pin (9) comprises a first and second end (20, 21), where said hub (2) comprises a cut out (19) for each of said blade roots (4), and further comprises a set of holes (10) for installing said pivot pins (9).
First Claim
Other Claims data not available
Family
International Classification(s)
- 2016 Application Filing Year
- B63H Class
- 453 Applications Filed
- 366 Patents Issued To-Date
- 80.80 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B63H Class
- 0 % this patent is cited more than
- 2 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | May 28, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 28, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 28, 2035 |
