Patent US2373907A successfully refreshed from Google Patents.
US2373907A
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Ring casting dividing machine
Assignee: SPX Technologies Inc
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Filing: 1943-12-09
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Granted: 1945-04-17
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Expires: 1963-12-09
Abstract
No abstract record available.
Inventors
- 👤 Holly M Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:30
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/003; B23D47/00; B23D47/04; B23D47/045; B23D47/047; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1074; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305544; Y10T409/305656; Y10T82/00; Y10T82/16; Y10T82/16426; Y10T82/16655; Y10T82/16786; Y10T82/16967
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) | 1948-04-16 | 1948-10-16 | 1949-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-16 | 1952-10-16 | 1953-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-16 | 1956-10-16 | 1957-04-17 | $7700.00 | Window Closed / Lapsed |