Patent US2476874A successfully refreshed from Google Patents.
US2476874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick grip chuck
Assignee: Individual
•
Filing: 1945-06-27
•
Granted: 1949-07-19
•
Expires: 1965-06-27
Abstract
No abstract record available.
Inventors
- 👤 Johansson Erik Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:57
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/2012; B23B31/20125; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17504; Y10T279/17512
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE96151C
Cited
US25283A
Cited
US493231A
Cited
CH34404A
Cited
US870142A
Cited
US1372482A
Cited
US1369632A
Cited
US1863108A
Cited
GB465128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |