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US3473268A
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US
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Method and apparatus for cleaning metal objects
Assignee: Badische Maschinenfabrik GmbH
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Filing: 1966-03-21
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Granted: 1969-10-21
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Max Graf
- 👤 Martin Weis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:03
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/24; B24B3/26; B24C; B24C3/00; B24C3/18; B24C3/26
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |