US2456779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite material and shaped bodies therefrom
Assignee: American Electro Metal Corp
•
Filing: 1948-07-08
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Granted: 1948-12-21
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Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 Claus G Goetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:24
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/02; C22C33/0242; Y; Y10; Y10S; Y10S29/00; Y10S29/031; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/941; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49337
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB308819A
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US2198240A
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US2238382A
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US2192744A
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US2306423A
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GB544903A
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US2382601A
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US2352316A
Cited
US2333573A
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US2401221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |