US2669762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making ware by casting
Assignee: Individual
•
Filing: 1953-02-05
•
Granted: 1954-02-23
•
Expires: 1973-02-05
Abstract
No abstract record available.
Inventors
- 👤 Andrew R Blackburn
- 👤 Richard E Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:22
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/26; B28B1/261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1541869A
Cited
US1784373A
Cited
US2026624A
Cited
US2273016A
Cited
US2584109A
Cited
US2584110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |