← Back to Patent Explorer
US3241291A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for forming closing and sealing plastic coated paperboard containers

Assignee: Ex-Cell-O Corp
•
Filing: 1963-07-03
•
Granted: 1966-03-22
•
Expires: 1983-07-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles Z Monroe
  • 👤 Harry B Egleston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 00:27
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/18; B65B51/00; B65B51/10; B65B51/14; B65B51/144

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 85 words
IN A MACHINE FOR FORMING CARTONS FROM THERMOPLASTIC COATED BLANKS HAVING HEAT SEALABLE TOP CLOSURE PANELS DEFINED THEREIN, A TOP SEALER UNIT COMPRISING, IN COMBINATION, A ROTARY TURRENT, A RADIALLY MOVABLE PLUNGER IN SAID TURRET, A FIRST SEALER JAW CONNECTED TO SAID PLUNGER, A ROCK SHAFT MOUNTED ON SAID TURRET, A SECOND SEALER JAW FIXED TO SAID ROCK SHAFT AND ADAPTED TO REGISTER WITH SAID FIRST JAW, AND FIXED CAMS HOUSED WITHIN SAID TURRET FOR BRINGING SAID JAWS TOGETHER IN TIMED RELATION WITH EACH OTHER.

References Cited (Backward Citations)

US2420763A Cited
US2883819A Cited
US3002328A Cited
US3010267A Cited
US3045403A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-21 1969-09-20 1970-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-21 1973-09-20 1974-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-21 1977-09-20 1978-03-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag