US3481128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for varying spinning characteristics of a rotary chamber spinning machine
Assignee: Rieter Ingolstadt GmbH
•
Filing: 1967-08-16
•
Granted: 1969-12-02
•
Expires: 1987-08-16
Abstract
No abstract record available.
Inventors
- 👤 Hans Landwehrkamp
- 👤 Franz Schreyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:57
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3126697A
Cited
US2052731A
Cited
US2100595A
Cited
US2940243A
Cited
US3098343A
Cited
US3096610A
Cited
US3163976A
Cited
US3328949A
Cited
US3368339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |