Patent US2933985A successfully refreshed from Google Patents.
US2933985A
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US
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Machine for producing threedimensional shapes
Assignee: Individual
•
Filing: 1957-04-04
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Granted: 1960-04-26
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Expires: 1977-04-04
Abstract
No abstract record available.
Inventors
- 👤 Zwick Kurt
- 👤 Rossberger Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:16
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/105; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/30112; Y10T409/302968; Y10T409/303024; Y10T409/303192
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2332532A
Cited
US2818000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |