US2844019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the aftertreatment of endless cables or tows of artificial filaments
Assignee: Bayer AG
•
Filing: 1955-06-29
•
Granted: 1958-07-22
•
Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 Schurmann Max-Otto
- 👤 Haimerl Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:42
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US338096A
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US813078A
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US846944A
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US1989562A
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US2308511A
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US2351729A
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CH298837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |