Patent US2773595A successfully refreshed from Google Patents.
US2773595A
Expired / Lapsed
US
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Classifying apparatus
Assignee: United Engineering and Foundry Co
•
Filing: 1951-11-20
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Granted: 1956-12-11
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Expires: 1971-11-20
Abstract
No abstract record available.
Inventors
- 👤 Henry C Westin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:41
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/08; B07C5/086; B65; B65G; B65G47/00; B65G2811/00; B65G2811/06; B65G2811/0673; B65G2811/0678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1444999A
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US1812505A
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US2008200A
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US1982607A
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US2146581A
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US2303526A
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US2312357A
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US2433685A
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US2430526A
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US2570288A
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US2660318A
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US2700465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |