US2442965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forming caps, closures, and the like
Assignee: Alcoa Corp
•
Filing: 1944-09-15
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Granted: 1948-06-08
•
Expires: 1964-09-15
Abstract
No abstract record available.
Inventors
- 👤 John W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:34
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B21D51/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US859977A
Cited
US1133424A
Cited
US1401132A
Cited
US1765756A
Cited
US2227524A
Cited
US2292054A
Cited
US2256124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |