Patent US3434361A successfully refreshed from Google Patents.
US3434361A
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US
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Magnetic stepping mechanism,especially for the feeding movements of grinding machines
Assignee: BLOHM SCHLEIFMASCHINEN ROBERT BLOHM GmbH
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Filing: 1967-01-30
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Granted: 1969-03-25
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 Robert Blohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:14
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/20; F; F16; F16H; F16H31/00; F16H31/003; F16H31/005; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |