Patent US3549890A successfully refreshed from Google Patents.
US3549890A
Expired / Lapsed
US
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Article inspection apparatus
Assignee: Newfrey LLC
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Filing: 1969-01-16
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Granted: 1970-12-22
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Expires: 1989-01-16
Abstract
No abstract record available.
Inventors
- 👤 Rene Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:24
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/12; B07C5/122; B07C5/126; B07C5/10; G; G07; G07C; G07C3/00; G07C3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |