US3533782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of shaped pieces,strips or sections from metal particles
Assignee: Schloemann AG
•
Filing: 1967-01-13
•
Granted: 1970-10-13
•
Expires: 1987-01-13
Abstract
No abstract record available.
Inventors
- 👤 Kurt Claus
- 👤 Eckard Gehring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:59
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/18; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371105A
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US1938876A
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US2889874A
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FR1214070A
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US3246982A
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US3334408A
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US3359100A
Cited
US3328166A
Cited
US3325279A
Cited
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 |