US2609930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating equipment
Assignee: Productive Equipment Corp
•
Filing: 1948-04-17
•
Granted: 1952-09-09
•
Expires: 1968-04-17
Abstract
No abstract record available.
Inventors
- 👤 Lewis E Soldan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:38
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US773423A
Cited
US1438489A
Cited
US2000426A
Cited
US2042072A
Cited
DE620130C
Cited
US2153243A
Cited
GB493600A
Cited
US2334707A
Cited
US2338523A
Cited
US2408558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |