US2859871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing and assorting articles
Assignee: Olin Corp
•
Filing: 1955-07-28
•
Granted: 1958-11-11
•
Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Harlow
- 👤 Jr Harry E Frech
- 👤 John C Blaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/12; G01R31/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2417488A
Cited
US2451613A
Cited
US2430080A
Cited
US2468843A
Cited
US2585121A
Cited
US2645341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |