US2453883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory screen
Assignee: Individual
•
Filing: 1945-01-04
•
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 19:56
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/286
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE625492C
Cited
US1242824A
Cited
US1267562A
Cited
US1459841A
Cited
US1413672A
Cited
US1705619A
Cited
US1879923A
Cited
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 |