Patent US2966831A successfully refreshed from Google Patents.
US2966831A
Expired / Lapsed
US
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Profile-milling and engraving machine
Assignee: Hittech Prontor GmbH
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Filing: 1958-08-29
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Granted: 1961-01-03
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Expires: 1978-08-29
Abstract
No abstract record available.
Inventors
- 👤 Brodbeck Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:03
CPC Classifications
B; B44; B44B; B44B1/00; B44B1/02; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/42; B23Q35/44; B23Q35/46; B44B3/00; B44B2700/00; B44B2700/02; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T82/00; Y10T82/14; Y10T82/141
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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |