Patent US3533863A successfully refreshed from Google Patents.
US3533863A
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Process for producing apertured body comprising casting an alloy,plastically deforming the cast alloy,and etching to remove one of alloys,and body produced thereby
Assignee: General Electric Co
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Filing: 1968-12-30
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Granted: 1970-10-13
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Expires: 1988-12-30
Abstract
No abstract record available.
Inventors
- 👤 Daeyong Lee
- 👤 Robert R Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:25
CPC Classifications
B; B01; B01D; B01D71/00; B01D71/02; B01D71/022; C; C22; C22C; C22C1/00; C22C1/08; C30; C30B; C30B21/00; C30B21/02; Y; Y10; Y10S; Y10S72/00; Y10S72/70; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T29/4998; Y10T29/49988; Y10T29/49989; Y10T29/49991
Claims Analysis
Total Claims: 0
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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) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |