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US2249984A
Expired / Lapsed
US
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Swaging apparatus for cores and spools
Assignee: Individual
•
Filing: 1940-10-04
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Granted: 1941-07-22
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Expires: 1960-10-04
Abstract
No abstract record available.
Inventors
- 👤 John B Seever
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:32
CPC Classifications
B; B21; B21K; B21K23/00; B21K23/04; B21K25/00; Y; Y10; Y10S; Y10S264/00; Y10S264/76; Y10S493/00; Y10S493/954; Y10T; Y10T409/00; Y10T409/30; Y10T409/309576; Y10T409/309912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-07-21 | 1945-01-20 | 1945-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-21 | 1949-01-20 | 1949-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-21 | 1953-01-20 | 1953-07-22 | $7700.00 | Window Closed / Lapsed |