Patent US2596493A successfully refreshed from Google Patents.
US2596493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal tempering apparatus
Assignee: Individual
•
Filing: 1948-04-28
•
Granted: 1952-05-13
•
Expires: 1968-04-28
Abstract
No abstract record available.
Inventors
- 👤 Robert J Linney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:41
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/62; C21D1/667
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US401206A
Cited
US696033A
Cited
US1055220A
Cited
US1432578A
Cited
US1592662A
Cited
US1738050A
Cited
US2019480A
Cited
US1927051A
Cited
US2041649A
Cited
US2035890A
Cited
US2143026A
Cited
US2086114A
Cited
US2249219A
Cited
US2384898A
Cited
US2352709A
Cited
US2456984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |