US2506174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic thread clearer
Assignee: CLARK THREAD CO
•
Filing: 1946-05-10
•
Granted: 1950-05-02
•
Expires: 1966-05-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:24
CPC Classifications
B; B65; B65H; B65H63/00; B65H63/06; B65H63/062; B65H63/068; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1915204A
Cited
US653174A
Cited
US1026907A
Cited
US1523092A
Cited
US1897518A
Cited
US2199396A
Cited
US2137613A
Cited
US2126348A
Cited
US2302081A
Cited
US2372451A
Cited
US2364237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |