US3025728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool detector
Assignee: Cross Co
•
Filing: 1958-12-17
•
Granted: 1962-03-20
•
Expires: 1978-12-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Cross
- 👤 Herbert A Martens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:06
CPC Classifications
B; B23; B23Q; B23Q15/00; B23B; B23B49/00; B23B49/001; B23Q17/00; B23Q17/09; B23Q17/0904; B23Q17/0919; B23Q17/0923; B23Q17/0938; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/21; Y10T408/36; Y10T408/385
Claims Analysis
Total Claims: 0
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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) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |