US3052331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint
Assignee: Dow Chemical Co
•
Filing: 1959-09-03
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Granted: 1962-09-04
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Expires: 1979-09-03
Abstract
No abstract record available.
Inventors
- 👤 Marvin R Bothwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:23
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/008; F16B33/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN IMPROVED MECHANICALLY CONNECTED JOINT CONSISTING OF TWO MAGNESIUM METAL PARTS POSITION IN OVERLAPPING RELATIONSHIP AND HAVING AN APERTURE FORMED THERETHROUGH THE OVERLAPPING PORTION AND A GALVANIC COMPATIBLE ALUMINUM METAL FASTENER HAVING A SHANK AND RETAINING MEANS, SAID ALUMIUM METAL FASTENER EXTENDING THROUGH SAID APERTURE AND MECHANICALLY CONNECTING SAID MAGNESIUM METAL PARTS, SAID GALVANICALLY ALUMINUM METAL CONTAING LESS THAN 0.05 PERCENT OF IRON, LESS THAN 0.1 PERCENT OF COPPER, LESS THAN 0.1 PERCENT OF NICKEL AND LESS THAN 0.1 PERCENT COMBINED TOTAL IRON PLUS COPPER PLUS NICKEL, UP TO 1 PERCENT OF MAGANESE, UP TO 15 PERCENT OF MAGNESIUM, UP TO 3 PERCENT OF SILICON AND A PROPORTION ZINC WHICH DOES NOT EXCEED 2.5 PLUS 0.5 TIMES THE SAID MAGNESIUM CONTENT AND THE SAID ALUMNIUM METAL HAVING
Claim 2
Dependent Claim
127 words
AN IMPROVED MECHANICALLY CONNECTED JOINT CONSISTING OF TWO MAGNESIUM METAL PARTS POSITION IN OVERLAPPING RELATIONSHIP AND HAVING AN APERTURE FORMED THERETHROUGH THE OVERLAPPING PORTION AND A GALVANIC COMPATIBLE ALUMINUM METAL FASTENER HAVING A SHANK AND RETAINING MEANS, SAID ALUMIUM METAL FASTENER EXTENDING THROUGH SAID APERTURE AND MECHANICALLY CONNECTING SAID MAGNESIUM METAL PARTS, SAID GALVANICALLY ALUMINUM METAL CONTAING LESS THAN 0.05 PERCENT OF IRON, LESS THAN 0.1 PERCENT OF COPPER, LESS THAN 0.1 PERCENT OF NICKEL AND LESS THAN 0.1 PERCENT COMBINED TOTAL IRON PLUS COPPER PLUS NICKEL, UP TO 1 PERCENT OF MAGANESE, UP TO 15 PERCENT OF MAGNESIUM, UP TO 3 PERCENT OF SILICON AND A PROPORTION ZINC WHICH DOES NOT EXCEED 2.5 PLUS 0.5 TIMES THE SAID MAGNESIUM CONTENT AND THE SAID ALUMNIUM METAL HAVING
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) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |