Timepiece barrel with a twisted arbour
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 10, 2023
Grant Date -
Aug 26, 2021
app pub date -
Feb 3, 2021
filing date -
Feb 25, 2020
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Abstract
A twisted arbour barrel (1), including a barrel drum (2) provided with a housing, a spring arranged in the housing of the barrel drum (2), an arbour (4) at least partially passing through the housing, the spring being compressed by rotation of the arbour in a first direction of rotation (12), the arbour (4) being provided with a protruding end (9) of the drum (2), a ratchet (3) arranged on the drum (2), the ratchet (3) being configured to allow the rotation of the arbour (4) in the first direction of rotation (12), the protruding end (9) passing through the ratchet (3) through an opening (14) cooperating by interlocking with the protruding end (9), the protruding end (9) of the arbour (4) having a twisted shape around its axis.
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 | |
---|---|---|
ETA SA MANUFACTURE HORLOGERE SUISSE | GRENCHEN GRENCHEN SOLOTHURN |
International Classification(s)

- 2021 Application Filing Year
- G04B Class
- 238 Applications Filed
- 139 Patents Issued To-Date
- 58.41 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Christan, Julien | Bienne, CH | 32 | 16 |
# of filed Patents : 32 Total Citations : 16 | |||
Kaelin, Laurent | Sonvilier, CH | 54 | 249 |
# of filed Patents : 54 Total Citations : 249 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- G04B Class
- 0 % this patent is cited more than
- 2 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Apr 10, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 10, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 10, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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
- No Legal Status data available.

Matter Detail

Renewals Detail
