US3490621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Workpiece distribution system
Assignee: Westinghouse Electric Corp
•
Filing: 1968-01-16
•
Granted: 1970-01-20
•
Expires: 1988-01-16
Abstract
No abstract record available.
Inventors
- 👤 John W Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:33
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0024; B; B21; B21B; B21B39/00; B21B39/14; F27D3/04; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/201; F27D2003/0001; F27D2003/0002; F27D2003/0004; F27D2003/0034; F27D2003/0042; F27D19/00; F27D2019/0028; F27D2019/0071; F27D2019/0087
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |