Patent US2890390A successfully refreshed from Google Patents.
US2890390A
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Module
Assignee: ACF Industries Inc
•
Filing: 1956-03-16
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Granted: 1959-06-09
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Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis L Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:54
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/14; H05K1/144; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49721; Y10T29/49723; Y10T29/49725; Y10T29/49726; Y10T29/4973
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2446701A
Cited
US2515638A
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US2616994A
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US2649513A
Cited
US2774014A
Cited
US2786969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |