US3481614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-centering chuck
Assignee: Forkardt Deutschland GmbH
•
Filing: 1966-06-27
•
Granted: 1969-12-02
•
Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Kurt Reich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:13
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; B23B31/16216; B23B31/162; B23B31/16212; B23B31/24; B23B31/30; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1274; Y10T279/1291; Y10T279/19; Y10T279/1961; Y10T279/1973; Y10T279/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2158058A
Cited
US1454121A
Cited
US1469360A
Cited
US2219851A
Cited
US2323091A
Cited
US2695176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |