Patent US2618963A successfully refreshed from Google Patents.
US2618963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube testing machine
Assignee: Timken Co
•
Filing: 1949-04-04
•
Granted: 1952-11-25
•
Expires: 1969-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robert E Wagenhals
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:42
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2846
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US537037A
Cited
DE472837C
Cited
US1536090A
Cited
US1861684A
Cited
US1973674A
Cited
US2293471A
Cited
US2278804A
Cited
US2565460A
Cited
US2548645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |