Patent US4444787A successfully refreshed from Google Patents.
Patent US3149299A successfully refreshed from Google Patents.
US3149299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic devices and process for forming same
Assignee: Arthur D Little Inc
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Filing: 1961-03-28
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Granted: 1964-09-15
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Expires: 1981-03-28
Abstract
No abstract record available.
Inventors
- 👤 Howard O Mcmahon
- 👤 John L Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:36
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; G01; G01J; G01J1/00; G01J1/42; G01J1/44; H; H10; H10N; H10N60/00; H10N60/10; H10N60/11; G01J2001/4413; G01J2001/442; G01J2001/4446; G01J3/00; G01J3/28; G01J3/44; G01J3/4406; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/881; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
PROCESS FOR FORMING A CIRCUIT ELEMENT HAVING TWO ASSOCIATED CONDUCTING BODIES AND ADAPTED TO CONTROL THE PASSAGE OF CURRENT FROM ONE OF THE ELCTRICALLY CONDUCTING BODIES TO THE OTHER ELECTRICALLY CONDUCTING BODY WHEN AN ELECTRICAL POTENTIAL DIFFERENCE IS MAINTAINED BETWEEN SAID BODIES, CHARACTERIZED BY THE STEP OF CASTING UPON A LIQUID SURFACE A FILM OF DIELECTRIC MATERIAL, PASSING ONE OF SAID CONDUCTING BODIES THROUGH SAID FILM ON SAID LIQUID SURFACE, THEREBY PROVIDING ON A SURFACE OF SAID BODY A THIN CONTINUOUS RIGID FILM COMPRISING AN INDIVIDUALLY DEPOSITED MONOMOLECULAR STRATUM OF A FILM-FORMING, ESSENTIALLY WATER-INSOLUBLE MATERIAL WHICH IN ITS MOLECULAR
Claim 2
Dependent Claim
99 words
PROCESS FOR FORMING A CIRCUIT ELEMENT HAVING TWO ASSOCIATED CONDUCTING BODIES AND ADAPTED TO CONTROL THE PASSAGE OF CURRENT FROM ONE OF THE ELCTRICALLY CONDUCTING BODIES TO THE OTHER ELECTRICALLY CONDUCTING BODY WHEN AN ELECTRICAL POTENTIAL DIFFERENCE IS MAINTAINED BETWEEN SAID BODIES, CHARACTERIZED BY THE STEP OF CASTING UPON A LIQUID SURFACE A FILM OF DIELECTRIC MATERIAL, PASSING ONE OF SAID CONDUCTING BODIES THROUGH SAID FILM ON SAID LIQUID SURFACE, THEREBY PROVIDING ON A SURFACE OF SAID BODY A THIN CONTINUOUS RIGID FILM COMPRISING AN INDIVIDUALLY DEPOSITED MONOMOLECULAR STRATUM OF A FILM-FORMING, ESSENTIALLY WATER-INSOLUBLE MATERIAL WHICH IN ITS MOLECULAR
References Cited (Backward Citations)
US2936435A
Cited
US2907680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |