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Patent US2453883A successfully refreshed from Google Patents.
US2453883A
Expired / Lapsed
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Vibratory screen
Assignee: Individual
•
Filing: 1945-01-04
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Granted: 1948-11-16
•
Expires: 1965-01-04
Abstract
No abstract record available.
Inventors
- 👤 John L Wettlaufer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:02
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1242824A
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US1267562A
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US1459841A
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US1413672A
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US1705619A
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US1879923A
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US1949703A
Cited
US2004965A
Cited
US2211000A
Cited
US2402340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |