US3133249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
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Filing: —
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Granted: 1964-05-12
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:57
CPC Classifications
G; G01; G01R; G01R5/00; G01R5/02; G01R5/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A LAMINATED PRINTED CIRCUIT METER ROTOR COMPRISING A THIN INHERENTLY WEAK SUBSTANTIALLY CONTINUOUS LAYER OF CONDUCTIVE NON-MAGNETIC METAL FOIL, AT LEAST ONE SURFACE OF SAID FOIL LAYER BEING CHEMICALLY ALTERED TO FORM A STRENGTHENING LAYER OF NON-CONDUCTIVE MATERIAL THEREON HAVING A THICKNESS AT LEAST EQUAL TO THAT OF SAID METAL FOIL LAYER, A LAYER OF ADHESIVE MATERIAL ON SAID NONCONDUCTIVE STRENGTHENING LAYER, A FURTHER CONDUCTIVE LAYER SUPPORTED BY SAID ADHESIVE MATERIAL ON SAID NON-CONDUCTIVE STRENGTHENING LAYER IN INSULATED RELATION TO SAID LAYER OF CONDUCTIVE METAL FOIL, SAID FURTHER CONDUCTIVE LAYER HAVING PORTIONS THEREOF SPACED FROM ONE ANOTHER WHEREBY SAID FURTHER LAYER EXHIBITS A PRINTED CIRCUIT CONFIGURATION, AND AN OUTERMOST PROTECTIVE AND STRENGTHING LAYER OF PLASTIC MATERIAL COVERING SAID FURTHER CONDUCTIVE LAYER AND INCLUDING PORTIONS PENETRATING BETWEEN THE SPACED PROTIONS OF SAID FURTHER CONDUCTIVE LAYER INTO CONTACT WITH SAID ADHESIVE LAYER.
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |