US2608982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft bearing seal
Assignee: Metalwash Machinery Co
•
Filing: 1943-10-05
•
Granted: 1952-09-02
•
Expires: 1963-10-05
Abstract
No abstract record available.
Inventors
- 👤 Erich R Zademach
- 👤 William W Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:46
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/09; F; F16; F16C; F16C33/00; F16C33/72; F16C33/74
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |