US2797174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for providing protective metal coatings on metal
Assignee: Lockheed Martin Corp
•
Filing: 1952-05-23
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Granted: 1957-06-25
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Expires: 1972-05-23
Abstract
No abstract record available.
Inventors
- 👤 Paul P Mozley
- 👤 Howard B Sipple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; C23C4/18; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12764
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD WHICH COMPRISES DIRECTLY APPLYING A MOLTEN ALUMINUM COATING TO A SURFACE OF AN ALUMINUM ALLOY PART, COLD WORKING THE COATING TO A WROUGHT CONDITION, SOLUTION HEAT TREATING THE PART AT A TEMPERATURE ABOVE THE AMEALING TEMPERATURE OF THE ALUMINUM CONSITUTING THE COATING, FORMING THE PART TO THE DESIRED CONTOUR, AND THEN PRECIPIATION HEAT TREATING THE PART TO THE DESIRED TEMPER OF THE ALLOY OF THE PART.
Claim 2
Independent Claim
68 words
THE METHOD WHICH COMPRISES DIRECTLY APPLYING A MOLTEN ALUMINUM COATING TO A SURFACE OF AN ALUMINUM ALLOY PART, COLD WORKING THE COATING TO A WROUGHT CONDITION, SOLUTION HEAT TREATING THE PART AT A TEMPERATURE ABOVE THE AMEALING TEMPERATURE OF THE ALUMINUM CONSITUTING THE COATING, FORMING THE PART TO THE DESIRED CONTOUR, AND THEN PRECIPIATION HEAT TREATING THE PART TO THE DESIRED TEMPER OF THE ALLOY OF THE PART.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |