Patent US3433273A successfully refreshed from Google Patents.
US3433273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weft controller
Assignee: Individual
•
Filing: 1967-10-03
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Granted: 1969-03-18
•
Expires: 1987-10-03
Abstract
No abstract record available.
Inventors
- 👤 Erich Loepfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:25
CPC Classifications
D; D03; D03J; D03J5/00; D03J2700/00; D03J2700/10; D03J2700/14; D03J2700/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB357730A
Cited
US2079535A
Cited
US2314485A
Cited
DE876679C
Cited
DE931820C
Cited
US3298401A
Cited
FR1343670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |