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US3440634A
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US
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System for monitoring moving threads in textile machinery
Assignee: AUGUST ENGELS GmbH
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Filing: 1965-10-08
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Granted: 1969-04-22
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Expires: 1985-10-08
Abstract
No abstract record available.
Inventors
- 👤 Siegfried Maurmann
- 👤 Werner Maurmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:37
CPC Classifications
D; D03; D03D; D03D51/00; D03D51/18; D03D51/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2896196A
Cited
US3010273A
Cited
US3106762A
Cited
US3139911A
Cited
US3158852A
Cited
US3287887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |