US2669149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holding block
Assignee: ACF Industries Inc
•
Filing: 1950-05-20
•
Granted: 1954-02-16
•
Expires: 1970-05-20
Abstract
No abstract record available.
Inventors
- 👤 Edmund A Watson
- 👤 George L Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:48
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/24; B23B29/248; Y; Y10; Y10T; Y10T407/00; Y10T407/14; Y10T407/22; Y10T407/2202; Y10T407/2206; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T407/2272; Y10T82/00; Y10T82/25; Y10T82/2585; Y10T82/2591
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US160161A
Cited
FR390545A
Cited
US1227457A
Cited
US1372726A
Cited
US1626953A
Cited
US2129815A
Cited
US2475049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |