Patent US2490128A successfully refreshed from Google Patents.
US2490128A
Expired / Lapsed
US
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Assignee: George Gorton Machine Co
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Filing: 1945-02-08
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Granted: 1949-12-06
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Expires: 1965-02-08
Abstract
No abstract record available.
Inventors
- 👤 Peter M Henkes
- 👤 Steinbrecker Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:11
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/26; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313543A
Cited
US960765A
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US1073547A
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US1440184A
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US1964319A
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US1959178A
Cited
DE636727C
Cited
US2161709A
Cited
US2389653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |