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Patent US3464249A successfully refreshed from Google Patents.
US3464249A
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Method of and apparatus for explosive treatment of metals
Assignee: Beteiligungs und Patentverwaltungs GmbH
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Filing: 1966-11-25
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Granted: 1969-09-02
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Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Winfried Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:53
CPC Classifications
E; E02; E02D; E02D27/00; E02D27/32; E02D27/44; B; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/08; B23; B23K; B23K20/00; B23K20/06; B23K20/08; C; C21; C21D; C21D10/00; E02D31/00; E02D31/08; F; F42; F42D; F42D5/00; F42D5/04; F42D5/055; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |