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US3318751A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for forming metal-paper laminate electrostatically

Assignee: Individual
•
Filing: 1965-02-02
•
Granted: 1967-05-09
•
Expires: 1985-02-02
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Abstract

No abstract record available.

Inventors

  • 👤 Ungerer Irma
  • 👤 Bethe Gunther

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:45
CPC Classifications
B; B23; B23D; B23D33/00; B23D31/00; Y; Y10; Y10T; Y10T156/00; Y10T156/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 150 words
APPARATUS FOR TEMPORARILY SECURING A PAIR OF SUPERIMPOSED ELONGATED STRIPS AT LEAST ONE OF WHICH IS ELECTROSTATICALLY CHARGEABLE AND THE MATERIAL OF SAID STRIPS EXHIBITING THE TENDENCY OF TEMPORARILY ADHERING TO EACH OTHER WHEN SAID ONE STRIP IS ELECTROSTATICALLY CHARGED, COMPRIING, IN COMBINATION, FEEDING MEANS FOR CONTINUOUSLY FEEDING SAID PAIR OF SUPERIMPOSED ELONGATED STRIPS ALONG A PREDETERMINED PATH; ELECTROSTATIC MEANS ADJACENT SAID PREDETERMINED PATH FOR APPLYING TO SAID ONE STRIP AN ELECTROSTATIC CHARGE WHEREBY SAID STRIPS ADHERE TO EACH OTHER; SEVERING MEANS LOCATED ALONG SAID PATH CLOSE TO AND DOWNSTREAM OF SAID ELECTROSTATIC MEANS FOR SEVERING THE ADHERING SUPERIMPOSED STRIPS INTO INDIVIDUAL LAMINATED PLATES OF CORRESPONDING ADHERING STRIP SECTIONS; AND STACKING MEANS LOCATED CLOSE TO AND DOWNSTREAM OF SAID SEVERING MEANS FOR STACKING SAID PLATES FED FROM SAID SEVERING MEANS WHILE THE ELECTROSTATIC CHARGE PERSISTS AND THE STRIP SECTIONS CONSTITUTING EACH OF SAID PLATES CONTINUE TO ADHERE TO EACH OTHER.
Claim 2
Dependent Claim 150 words
APPARATUS FOR TEMPORARILY SECURING A PAIR OF SUPERIMPOSED ELONGATED STRIPS AT LEAST ONE OF WHICH IS ELECTROSTATICALLY CHARGEABLE AND THE MATERIAL OF SAID STRIPS EXHIBITING THE TENDENCY OF TEMPORARILY ADHERING TO EACH OTHER WHEN SAID ONE STRIP IS ELECTROSTATICALLY CHARGED, COMPRIING, IN COMBINATION, FEEDING MEANS FOR CONTINUOUSLY FEEDING SAID PAIR OF SUPERIMPOSED ELONGATED STRIPS ALONG A PREDETERMINED PATH; ELECTROSTATIC MEANS ADJACENT SAID PREDETERMINED PATH FOR APPLYING TO SAID ONE STRIP AN ELECTROSTATIC CHARGE WHEREBY SAID STRIPS ADHERE TO EACH OTHER; SEVERING MEANS LOCATED ALONG SAID PATH CLOSE TO AND DOWNSTREAM OF SAID ELECTROSTATIC MEANS FOR SEVERING THE ADHERING SUPERIMPOSED STRIPS INTO INDIVIDUAL LAMINATED PLATES OF CORRESPONDING ADHERING STRIP SECTIONS; AND STACKING MEANS LOCATED CLOSE TO AND DOWNSTREAM OF SAID SEVERING MEANS FOR STACKING SAID PLATES FED FROM SAID SEVERING MEANS WHILE THE ELECTROSTATIC CHARGE PERSISTS AND THE STRIP SECTIONS CONSTITUTING EACH OF SAID PLATES CONTINUE TO ADHERE TO EACH OTHER.

References Cited (Backward Citations)

US2388069A Cited
US2923964A Cited
US2881470A Cited
US3106502A Cited
US3054708A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-08 1970-11-07 1971-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-08 1974-11-07 1975-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-08 1978-11-07 1979-05-09 $7700.00 Window Closed / Lapsed

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