Patent US3318751A successfully refreshed from Google Patents.
US3318751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming metal-paper laminate electrostatically
Assignee: Individual
•
Filing: 1965-02-02
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Granted: 1967-05-09
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Expires: 1985-02-02
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 08:45
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)
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 |