Patent US2740302A successfully refreshed from Google Patents.
US2740302A
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US
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Screw and nut gearing
Assignee: Schiess AG
•
Filing: 1950-09-28
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Granted: 1956-04-03
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Expires: 1970-09-28
Abstract
No abstract record available.
Inventors
- 👤 Keyser Johann Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:30
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; D; D01; D01H; D01H1/00; D01H1/14; D01H1/36; F16H2025/2062; F16H2025/209; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/1868; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US776881A
Cited
US1417454A
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US1572228A
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US1978001A
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US2475983A
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US2351211A
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US2483688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |