US3521466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular knitting machine
Assignee: KARL H TANNERT
•
Filing: 1967-07-07
•
Granted: 1970-07-21
•
Expires: 1987-07-07
Abstract
No abstract record available.
Inventors
- 👤 Karl H Tannert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:40
CPC Classifications
D; D04; D04B; D04B35/00; D04B35/34; D04B15/00; D04B15/38; D04B15/54; D04B15/58; D04B15/60; D04B15/61; D04B35/02; D04B9/00; D04B9/20
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |