US3406994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making a yarn connection
Assignee: Akzo NV
•
Filing: 1967-06-08
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Granted: 1968-10-22
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Expires: 1987-06-08
Abstract
No abstract record available.
Inventors
- 👤 Michiel J Duncker
- 👤 Jacobus J H G Daamen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:43
CPC Classifications
B; B65; B65H; B65H69/00; B65H69/04; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |