US2636602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting the presence of foreign bodies on the bottoms of transparent vessels
Assignee: U D ENGINEERING Co Ltd
•
Filing: 1948-06-17
•
Granted: 1953-04-28
•
Expires: 1968-06-17
Abstract
No abstract record available.
Inventors
- 👤 Stoate Norman Parker
- 👤 Shepheard Geoffrey Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:40
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/90; G01N21/9018; G01N33/00; G01N33/0078; G01N33/0081
Claims Analysis
Total Claims: 0
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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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |