US2982004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine
Assignee: Cross Co
•
Filing: 1957-03-28
•
Granted: 1961-05-02
•
Expires: 1977-03-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:59
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/14; B23Q7/1426; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5101; Y10T29/5196
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |