US2804710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threading device
Assignee: Individual
•
Filing: 1954-10-14
•
Granted: 1957-09-03
•
Expires: 1974-10-14
Abstract
No abstract record available.
Inventors
- 👤 Winfred N Stilwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:37
CPC Classifications
A; A01; A01K; A01K91/00; A01K91/03; A01K91/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US538479A
Cited
US606269A
Cited
US1147656A
Cited
US2354853A
Cited
GB603464A
Cited
US2498920A
Cited
US2596214A
Cited
US2682126A
Cited
US2701669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |