US2454609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making laminations
Assignee: Power Products LLC
•
Filing: 1945-02-21
•
Granted: 1948-11-23
•
Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 Edward A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:11
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/06; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T83/00; Y10T83/04; Y10T83/0491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US495208A
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US696953A
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US843747A
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US776511A
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US1536027A
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US1513972A
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US1624536A
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US1698634A
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US2137433A
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US2168978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |