US2432842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making metallic disk structures
Assignee: SK Wellman Corp
•
Filing: 1944-01-06
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Granted: 1947-12-16
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Expires: 1964-01-06
Abstract
No abstract record available.
Inventors
- 👤 Samuel K Wellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:25
CPC Classifications
B; B21; B21D; B21D13/00; B21D13/02; F; F16; F16D; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16D2013/642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US24689A
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GB191212938A
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GB149377A
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US1840317A
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US1775432A
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US2001553A
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US2130324A
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US2072847A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |