US3010843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abradable protective coating for compressor casings
Assignee: Motors Liquidation Co
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Filing: 1958-04-28
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Granted: 1961-11-28
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Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Virgil K Eder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:44
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; C23C4/18; F; F01; F01D; F01D11/00; F01D11/08; F01D11/12; F01D11/122
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A METHOD FOR FORMING A MACHINABLE POROUS BRONZE COATING ON THAT PORTION OF A MAGNESIUM HOUSING OF AN AXIAL FLOW COMPRESSOR ADJACENT THE PATH OF THE ROTOR BLADE TIPS COMPRISING THE STEPS OF CLEANING THE SURFACE TO BE COATED, ROUGHENING SAID SURFACE TO PROMOTE FORMATION OF A TIGHTLY ADHERENT COATING, PREHEATING SAID SURFACE TO A TEMPERATURE OF ABOUT 175*-200*F., SPRAYING A POROUS BRONZE COATING ON THE SURFACE TO THE DESIRED THICKNESS, CONTROLLING THE TEMPERATURE OF SAID SURFACE DURING COATING TO MAINTAIN A TEMPERATURE OF BETWEEN 150* AND 200*F. TO THUS PRECLUDE INFERIOR BONDING BETWEEN SAID COATING AND SAID SURFACE, AND IMPREGNATING SAID POROUS COATING WITH A HIGH TEMPERATURE THERMOSETTING RESIN.
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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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |