Patent US3363474A successfully refreshed from Google Patents.
US3363474A
Expired / Lapsed
US
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Straight guiding device
Assignee: EVG Entwicklungs und Verwertungs GmbH
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Filing: 1965-07-07
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Granted: 1968-01-16
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Expires: 1985-07-07
Abstract
No abstract record available.
Inventors
- 👤 Josef Ritter
- 👤 Hans Gott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
B; B21; B21F; B21F27/00; B21F27/08; B21F27/10; F; F16; F16H; F16H37/00; F16H37/12; F16H37/124; F16H2037/128; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18272
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |