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Patent US2512033A successfully refreshed from Google Patents.
US2512033A
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Assignee: NU TANGS Inc
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Filing: 1944-12-21
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Granted: 1950-06-20
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Expires: 1964-12-21
Abstract
No abstract record available.
Inventors
- 👤 Metz James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:07
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/006; B23B2231/00; B23B2231/02; B23B2231/0296; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49721; Y10T29/4973; Y10T29/49732; Y10T29/49734; Y10T29/49737; Y10T408/00; Y10T408/89; Y10T408/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA202513A
Cited
US724520A
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US837322A
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US1191717A
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US1457499A
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US1951122A
Cited
US2174218A
Cited
US2356835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |