US2663205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forging process and apparatus
Assignee: Cooper Industries LLC
•
Filing: 1949-05-06
•
Granted: 1953-12-22
•
Expires: 1969-05-06
Abstract
No abstract record available.
Inventors
- 👤 Allen Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:07
CPC Classifications
B; B21; B21J; B21J5/00; B21J5/02; B21K; B21K1/00; B21K1/20; B21K1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1214070A
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US1668442A
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US1352911A
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GB166625A
Cited
US1928802A
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US1905620A
Cited
US2224670A
Cited
US2356695A
Cited
US2384349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |