Patent US3398521A successfully refreshed from Google Patents.
US3398521A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile machine
Assignee: Leesona Corp
•
Filing: 1967-05-08
•
Granted: 1968-08-27
•
Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 Charles C Bell
- 👤 Kurt W Niederer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:18
CPC Classifications
D; D01; D01H; D01H15/00; D01H15/013
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE572114A
Cited
DE1043892B
Cited
US2912815A
Cited
US2886940A
Cited
US2949724A
Cited
US2997836A
Cited
US2981050A
Cited
US2962856A
Cited
US3059404A
Cited
US3011731A
Cited
US3154909A
Cited
US3128590A
Cited
FR1364639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |