US3537660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating system for winding devices for threads or threadlike structures
Assignee: Oerlikon Barmag AG
•
Filing: 1967-08-17
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Granted: 1970-11-03
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Expires: 1987-08-17
Abstract
No abstract record available.
Inventors
- 👤 Heinz Schippers
- 👤 Hans Lohest
- 👤 Wolfgang Weber
- 👤 Erich Lenk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:05
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/38; B65H59/384; B65H59/385; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1844699A
Cited
US3060357A
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US2986688A
Cited
US3059869A
Cited
US3147931A
Cited
US3233397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |