Patent US3280276A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3280276A Expired / Lapsed US ⏱️ 0.0 years remaining

Sequential timer

Assignee: Duracell Inc USA
•
Filing: 1964-11-12
•
Granted: 1966-10-18
•
Expires: 1984-11-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Gianni A Dotto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:34
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/124

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 202 words
A TIMING DEVICE FOR SEQUENTIALLY ACTUATING A PLURALITY OF ELECTRICAL CIRCUITS COMPRISING: MEANS SUPPORTING A TIMING DEVICE; A DRIVE MEANS FIXEDLY MOUNTED ON SAID MEANS; AN ESCAPEMENT MEANS COUPLED TO AND ROTATABLY DRIVEN BY SAID DRIVE MEANS, SAID ESCAPEMENT MEANS INTERMITTENTLY DRIVING A RATCHET WHEEL MEANS; A CAM SHAFT JOURNALLED TO SAID MOUNTING MEANS, SAID CAM SHAFT INTERMITTENTLY DRIVEN BY SAID RATCHET WHEEL MEANS; A TIMING CAM MEANS CARRIED BY SAID CAM SHAFT, SAID TIMING CAM INCLUDING A PLURALITY OF CONCENTRICALLY DISPOSED RADIALLY SPACED CONTINUOUS GROOVES, EACH OF SAID GROOVES INCLUDING CODED INDICIA; AND A PLURALITY OF FOLLOWER SWITCHES FIXEDLY COUPLED TO SAID MOUNTING MEANS, SAID SWITCHES INCLUDING A PIVOTABLE CONTACT CARRYING BLADE HAVING A PLURALITY OF CONTACT MEANS, A FIXED TERMINAL AND CONTACT COMBINATION SPACED FROM AND OVERLYING EACH OF SAID CONTACT MEANS, A NEEDLE SHAPED FOLLOWER MEANS CENTRALLY COUPLED TO SAID BLADE, AND A TERMINAL MEANS AND A SPRING MEANS CENTRALLY COUPLED TO SAID BLADE AND COOPERATING TO PROVIDE A PIVOT POINT FOR SAID BLADE, SAID FOLLOWER MEANS RIDING IN ONE OF SAID GROOVES, SAID FOLLOWER MEANS RESPONSIVE TO SAID CODED INDICIA OF SAID GROOVE THEREBY PIVOTING SAID BLADE TO OPEN AND CLOSE ELECTRICAL CIRCUITS COUPLED TO SAID FIXED CONTACTS.
Claim 2
Dependent Claim 202 words
A TIMING DEVICE FOR SEQUENTIALLY ACTUATING A PLURALITY OF ELECTRICAL CIRCUITS COMPRISING: MEANS SUPPORTING A TIMING DEVICE; A DRIVE MEANS FIXEDLY MOUNTED ON SAID MEANS; AN ESCAPEMENT MEANS COUPLED TO AND ROTATABLY DRIVEN BY SAID DRIVE MEANS, SAID ESCAPEMENT MEANS INTERMITTENTLY DRIVING A RATCHET WHEEL MEANS; A CAM SHAFT JOURNALLED TO SAID MOUNTING MEANS, SAID CAM SHAFT INTERMITTENTLY DRIVEN BY SAID RATCHET WHEEL MEANS; A TIMING CAM MEANS CARRIED BY SAID CAM SHAFT, SAID TIMING CAM INCLUDING A PLURALITY OF CONCENTRICALLY DISPOSED RADIALLY SPACED CONTINUOUS GROOVES, EACH OF SAID GROOVES INCLUDING CODED INDICIA; AND A PLURALITY OF FOLLOWER SWITCHES FIXEDLY COUPLED TO SAID MOUNTING MEANS, SAID SWITCHES INCLUDING A PIVOTABLE CONTACT CARRYING BLADE HAVING A PLURALITY OF CONTACT MEANS, A FIXED TERMINAL AND CONTACT COMBINATION SPACED FROM AND OVERLYING EACH OF SAID CONTACT MEANS, A NEEDLE SHAPED FOLLOWER MEANS CENTRALLY COUPLED TO SAID BLADE, AND A TERMINAL MEANS AND A SPRING MEANS CENTRALLY COUPLED TO SAID BLADE AND COOPERATING TO PROVIDE A PIVOT POINT FOR SAID BLADE, SAID FOLLOWER MEANS RIDING IN ONE OF SAID GROOVES, SAID FOLLOWER MEANS RESPONSIVE TO SAID CODED INDICIA OF SAID GROOVE THEREBY PIVOTING SAID BLADE TO OPEN AND CLOSE ELECTRICAL CIRCUITS COUPLED TO SAID FIXED CONTACTS.

References Cited (Backward Citations)

US2029667A Cited
US2804527A Cited
US2877317A Cited
US3053947A Cited
US3064098A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-17 1970-04-18 1970-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-17 1974-04-18 1974-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-17 1978-04-18 1978-10-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag