US2593311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting the presence of foreign bodies in transparent containers
Assignee: Individual
•
Filing: 1948-04-03
•
Granted: 1952-04-15
•
Expires: 1968-04-03
Abstract
No abstract record available.
Inventors
- 👤 Paul M Johnson
- 👤 Lansing M Hinrichs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/90; G01N21/9018; B; B08; B08B; B08B9/00; B08B9/08; B08B9/20; B08B9/42; B08B9/46; G01N21/9045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2286836A
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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) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |