Patent US2705448A successfully refreshed from Google Patents.
US2705448A
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Assignee: Borg Warner Corp
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Filing: 1951-07-10
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Granted: 1955-04-05
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Expires: 1971-07-10
Abstract
No abstract record available.
Inventors
- 👤 James H Ingersoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:26
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/60; B21D53/64; A; A01; A01B; A01B15/00; A01B15/16; B23; B23D; B23D65/00; B23D65/02; Y; Y10; Y10T; Y10T29/00; Y10T29/27; Y10T29/49; Y10T29/49448; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9442; Y10T83/9444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |