Patent US2636602A successfully refreshed from Google Patents.
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 08:50
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1023925A
Cited
US1337737A
Cited
US1475583A
Cited
US1748883A
Cited
US1943278A
Cited
US1877547A
Cited
US2010307A
Cited
US2137187A
Cited
US2056382A
Cited
US2104546A
Cited
US2132447A
Cited
US2100227A
Cited
GB472143A
Cited
US2376645A
Cited
US2227037A
Cited
US2265037A
Cited
US2431519A
Cited
US2439392A
Cited
US2481310A
Cited
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 |