Timepiece barrel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9291999
APP PUB NO 20150309475A1
SERIAL NO

14653484

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A ratchet for winding a barrel, including an axial passage for fitting the ratchet onto an arbor carrying pivotal drive mechanism. The ratchet includes, in the axial passage, a strip spring permitting fitting of the ratchet onto the arbor, and exerting a bearing force on the pivotal drive mechanism, wherein the at least one strip spring forms a complementary drive for pivotally driving the arbor. A timepiece barrel for pivotal assembly between a bottom plate and a bridge includes a spring housed between a pivoting drum and a ratchet and hooked between, at an outer end thereof, the drum, and at an inner end thereof, an arbor, the arbor pivoting integrally with the ratchet about a pivot axis.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ETA SA MANUFACTURE HORLOGERE SUISSESWITZERLAND SENNWALD ST GALLEN

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kaelin, Laurent Sonvilier, CH 54 249
Queval, Arthur Lutry, CH 22 56
Vautherot, Martin Publier, FR 4 4

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 22, 2027
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