Patent US2543936A successfully refreshed from Google Patents.
US2543936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for covering a metallic core with a cast layer of another metal
Assignee: Individual
•
Filing: 1947-09-22
•
Granted: 1951-03-06
•
Expires: 1967-09-22
Abstract
No abstract record available.
Inventors
- 👤 Julian L Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:36
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/38; B; B22; B22D; B22D19/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US310994A
Cited
US443536A
Cited
US910674A
Cited
US1503479A
Cited
US1706130A
Cited
US1764132A
Cited
US2055980A
Cited
US2091588A
Cited
US2136394A
Cited
US2072060A
Cited
US2286759A
Cited
US2438568A
Cited
US2386119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |