Patent US3475895A successfully refreshed from Google Patents.
US3475895A
Expired / Lapsed
US
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Twist tube for false-twist device
Assignee: Heberlein Patent Corp
•
Filing: 1969-01-14
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Granted: 1969-11-04
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Expires: 1989-01-14
Abstract
No abstract record available.
Inventors
- 👤 Josef Raschle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:19
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2777276A
Cited
US2893198A
Cited
GB1049776A
Cited
US3363409A
Cited
GB1071534A
Cited
US3349554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |