US3021006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sorting and identifying sources of workpieces
Assignee: Nachi Machining Technology Co
•
Filing: 1959-09-21
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Granted: 1962-02-13
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Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Joel M Beckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:56
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/3412; Y; Y10; Y10S; Y10S209/00; Y10S209/929
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) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |