US2664996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable die
Assignee: SKW Metals UK Ltd
•
Filing: 1951-02-23
•
Granted: 1954-01-05
•
Expires: 1971-02-23
Abstract
No abstract record available.
Inventors
- 👤 Andrews Leonard Wilfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:10
CPC Classifications
B; B21; B21C; B21C3/00; B21C3/02; B21C3/06; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US546202A
Cited
US567606A
Cited
US686365A
Cited
US1258874A
Cited
US1922770A
Cited
US2101689A
Cited
GB493038A
Cited
GB578506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |