US3301719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical conversion coating for magnesium
Assignee: Boeing Co
•
Filing: 1962-10-15
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Granted: 1967-01-31
•
Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Earl C Groshart
- 👤 James B Mohler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A COATING PROCESS FOR MAGNESIUM AND MAGNESIUM ALLOYS IN PREPARATION FOR SUBSEQUENT APPLICATIONS OF COATINGS COMPRISING THE STEPS OF DEGREASING, CLEANING, PICKLING IN A SOLUTION COMPRISED OF:
Claim 2
Dependent Claim
27 words
A COATING PROCESS FOR MAGNESIUM AND MAGNESIUM ALLOYS IN PREPARATION FOR SUBSEQUENT APPLICATIONS OF COATINGS COMPRISING THE STEPS OF DEGREASING, CLEANING, PICKLING IN A SOLUTION COMPRISED OF:
References Cited (Backward Citations)
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US2154451A
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US2224528A
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US2480448A
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US2454799A
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US2483510A
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US2796372A
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US2854371A
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US3094489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |