Patent US3130044A successfully refreshed from Google Patents.
US3130044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic mercury
Assignee: Individual
•
Filing: 1961-06-30
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Granted: 1964-04-21
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Max H Flindt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:12
CPC Classifications
C; C22; C22C; C22C7/00; H; H01; H01B; H01B1/00; H01B1/02; H01F; H01F1/00; H01F1/44
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
52 words
A FLUID SENSITIVE TO A MAGNETIC FIELD OCNSISTING ESSENTIALLY OF AN AMALGAM OF BETWEEN ABOUT 2 AND 40 WEIGHT PERCENT OF A METAL SELECTED FROM THE GROUP CONSISTING OF BISMUTH, ALUMINUM, CHLROMIUM, MAGNESIUM, ANTIMONY, CADMIUM, TIN AND TITANIUM AND BETWEEN ABOUT 2 AND 10 WEIGHT PERCENT IRON, WIHT THE REMAINDER BEING MERCURY.
Claim 2
Dependent Claim
52 words
A FLUID SENSITIVE TO A MAGNETIC FIELD OCNSISTING ESSENTIALLY OF AN AMALGAM OF BETWEEN ABOUT 2 AND 40 WEIGHT PERCENT OF A METAL SELECTED FROM THE GROUP CONSISTING OF BISMUTH, ALUMINUM, CHLROMIUM, MAGNESIUM, ANTIMONY, CADMIUM, TIN AND TITANIUM AND BETWEEN ABOUT 2 AND 10 WEIGHT PERCENT IRON, WIHT THE REMAINDER BEING MERCURY.
Claim 3
Dependent Claim
96 words
A PROCESS FOR PREPARING A FLUID SENSITIE TO A MAGNETIC FIELD CONSISTING ESSENTIALLY OF FROMING A SODIUMMERCURY AMALGAM; CONTACTING SAID AMALGAM WITH AN IRONCONTAINING MATERIAL AND PERMITTING A REACTION TO ENSUE WHEREBY TO REPLACE SAID SODIUM OF SAID AMALGAM WITH THE SAID IRON; AND AMALGAMATING THEREWITH A THIRD METAL SELECTED FROM THE GROUP CONSISTING OF BISMUTH, ALUMINUM, CHROMIUM, MAGNESIUM, ANTIMONY, CADMIUM, TIN AND TITANIUM WHEREBY TO FORM A PRODUCT CONTAINING BETWEEN ABOUT 2 AND 40 WEIGHT PERCENT OF THE SAID THIRD METAL, AND BETWEEN ABOUT 2 AND 10 WEIGHT PERCENT IRON, WITH THE REMAINDER BEING MERCURY.
Claim 4
Dependent Claim
96 words
A PROCESS FOR PREPARING A FLUID SENSITIE TO A MAGNETIC FIELD CONSISTING ESSENTIALLY OF FROMING A SODIUMMERCURY AMALGAM; CONTACTING SAID AMALGAM WITH AN IRONCONTAINING MATERIAL AND PERMITTING A REACTION TO ENSUE WHEREBY TO REPLACE SAID SODIUM OF SAID AMALGAM WITH THE SAID IRON; AND AMALGAMATING THEREWITH A THIRD METAL SELECTED FROM THE GROUP CONSISTING OF BISMUTH, ALUMINUM, CHROMIUM, MAGNESIUM, ANTIMONY, CADMIUM, TIN AND TITANIUM WHEREBY TO FORM A PRODUCT CONTAINING BETWEEN ABOUT 2 AND 40 WEIGHT PERCENT OF THE SAID THIRD METAL, AND BETWEEN ABOUT 2 AND 10 WEIGHT PERCENT IRON, WITH THE REMAINDER BEING MERCURY.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |