Patent US1993600A successfully refreshed from Google Patents.
US1993600A
Expired / Lapsed
US
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Drawn article and process of making the same
Assignee: Huntington Alloys Corp
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Filing: 1933-02-18
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Granted: 1935-03-05
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Expires: 1953-02-18
Abstract
No abstract record available.
Inventors
- 👤 Fraser Hugh John
- 👤 Owens Robert John
- 👤 Jenckes Edwin Kenyon
- 👤 Lenhart John Coulter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:07
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/04; Y; Y10; Y10S; Y10S72/00; Y10S72/70; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982
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) | 1938-03-04 | 1938-09-03 | 1939-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-04 | 1942-09-03 | 1943-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-04 | 1946-09-03 | 1947-03-05 | $7700.00 | Window Closed / Lapsed |