Patent US3535146A successfully refreshed from Google Patents.
US3535146A
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Diffusion coating
Assignee: Aircraft Plating Inc
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Filing: 1967-05-02
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Granted: 1970-10-20
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Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 Howard D Flicker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:22
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/1209; Y10T428/12493; Y10T428/12535; Y10T428/12583; Y10T428/1259; Y10T428/12736; Y10T428/12771; Y10T428/12778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381085A
Cited
US1706130A
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US2813803A
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US3096567A
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US3078555A
Cited
US3211572A
Cited
US3362842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |