Patent US3479731A successfully refreshed from Google Patents.
US3479731A
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US
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Brazing method
Assignee: Motors Liquidation Co
•
Filing: 1967-06-13
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Granted: 1969-11-25
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Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Edward R Mantel
- 👤 Charles W Vigor
- 👤 Stephen W Iwankovitsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:26
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008; F; F28; F28D; F28D19/00; F28D19/04; F28D19/041; F28D19/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1700604A
Cited
US2389175A
Cited
US3129502A
Cited
US3222775A
Cited
US3208131A
Cited
US3255646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |