US2463780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank base and the method of its manufacture
Assignee: Individual
•
Filing: 1945-04-24
•
Granted: 1949-03-08
•
Expires: 1965-04-24
Abstract
No abstract record available.
Inventors
- 👤 Korrol Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:55
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/2646
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US459227A
Cited
US578801A
Cited
US579946A
Cited
US621729A
Cited
US2033809A
Cited
US2156644A
Cited
US2194837A
Cited
US2216147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |