US3167489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of finely perforated plates
Assignee: ANTRANIG AUBOZIAN
•
Filing: 1962-02-07
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Granted: 1965-01-26
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Hadjian Levon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:26
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D4/022; B; B23; B23P; B23P15/00; B23P15/16; B23P15/24; C; C25; C25D; C25D1/00; C25D1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A METHOD FOR THE PRODUCTION OF PERFORATED METALLIC PLATES HAVING FINE CALIBRATED HOLES, WHICH CONSISTS IN FORMING A SUPPORING PLATE HAVING AN ELECTRICALLY CONDUTING SIDE; IN PERFORATING IN SAID SUPPORTING PLATE FINE HOLES IN ACCORDANCE WITH THE PATTERN OF THE CALIBRATED HOLES TO BE OBTAINED; IN PASSING THROUGH THE HOLES OF SAID SUPPORTING PLATE FILAMENTS MADE OF A ELASTICALLY DEFORMABLE PLASTIC SUBSTANCE; IN DISPOSING SAID SUPPORTING PLATE AS A CATHODE IN AN ELECTROLYTIC CELL WITH SAID FILAMENTS EXTENDING SUBSTANTIALLY PERPENDICULARLY FROM SAID CONDUCTIG SIDE; IN FORMING ON SAID CONDUCTING SIDE A METALLIC LAYER WITH SAID FILAMENTS EMBEDDED IN SAID LAYER; AND IN SEPARATING SAID METALLIC LAYER FROM SAID SUPPORTING PLATE WHILE STRETCHING SAID FILAMENTS TO CAUSE SAME TO CONTRACT AND TO BECOME DISENGAGED FROM SAID LAYER.
Claim 2
Independent Claim
126 words
A METHOD FOR THE PRODUCTION OF PERFORATED METALLIC PLATES HAVING FINE CALIBRATED HOLES, WHICH CONSISTS IN FORMING A SUPPORING PLATE HAVING AN ELECTRICALLY CONDUTING SIDE; IN PERFORATING IN SAID SUPPORTING PLATE FINE HOLES IN ACCORDANCE WITH THE PATTERN OF THE CALIBRATED HOLES TO BE OBTAINED; IN PASSING THROUGH THE HOLES OF SAID SUPPORTING PLATE FILAMENTS MADE OF A ELASTICALLY DEFORMABLE PLASTIC SUBSTANCE; IN DISPOSING SAID SUPPORTING PLATE AS A CATHODE IN AN ELECTROLYTIC CELL WITH SAID FILAMENTS EXTENDING SUBSTANTIALLY PERPENDICULARLY FROM SAID CONDUCTIG SIDE; IN FORMING ON SAID CONDUCTING SIDE A METALLIC LAYER WITH SAID FILAMENTS EMBEDDED IN SAID LAYER; AND IN SEPARATING SAID METALLIC LAYER FROM SAID SUPPORTING PLATE WHILE STRETCHING SAID FILAMENTS TO CAUSE SAME TO CONTRACT AND TO BECOME DISENGAGED FROM SAID LAYER.
References Cited (Backward Citations)
US1646602A
Cited
US2898273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |