Patent US3475229A successfully refreshed from Google Patents.
US3475229A
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Process for treating articles of manufacture to eliminate superfluous projections
Assignee: Chemotronics International Inc
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Filing: 1968-04-22
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Granted: 1969-10-28
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Expires: 1988-04-22
Abstract
No abstract record available.
Inventors
- 👤 Henry C Geen
- 👤 Edwin E Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:26
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/10; C23F1/12; B; B22; B22F; B22F3/00; B22F3/24; B23; B23D; B23D79/00; B23D79/005; B29; B29C; B29C37/00; B29C37/02; B29C67/00; B29C67/0033; C22; C22F; C22F1/00; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49995; Y10T83/00; Y10T83/364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1601952A
Cited
US2199418A
Cited
US2892733A
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US3371404A
Cited
US3252312A
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US3205105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |