US2571396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuttle threading block
Assignee: Draper Corp
•
Filing: 1950-01-19
•
Granted: 1951-10-16
•
Expires: 1970-01-19
Abstract
No abstract record available.
Inventors
- 👤 Villani Antonio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:26
CPC Classifications
D; D03; D03J; D03J5/00; D03J2700/00; D03J2700/10; D03J2700/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1405452A
Cited
US1720410A
Cited
US2059756A
Cited
US2272147A
Cited
US2341848A
Cited
US2385756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |