US2826804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spun metal manufacture
Assignee: —
•
Filing: —
•
Granted: 1958-03-18
•
Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:45
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/261; B21H; B21H1/00; F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49453; Y10T29/4946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1494410A
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US1671994A
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US1680061A
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US1728002A
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US1828464A
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US1902310A
Cited
US2008300A
Cited
US1971151A
Cited
US2062415A
Cited
US2128614A
Cited
US2092571A
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US2247002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |