Patent US2903840A successfully refreshed from Google Patents.
US2903840A
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Arrangement for protecting guiding members against dust and the like
Assignee: Spinnbau GmbH
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Filing: 1955-02-11
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Granted: 1959-09-15
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Expires: 1975-02-11
Abstract
No abstract record available.
Inventors
- 👤 Rudolf H Teupel
- 👤 Baake Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:39
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/08; B23Q11/0816; F; F16; F16C; F16C29/00; F16C29/02; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/24; F16H25/2418; F16C2322/00; F16C2322/39; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/219
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE566289C
Cited
US859637A
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US1846341A
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US2042523A
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US2376383A
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US2384512A
Cited
US2509078A
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US2708563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |