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Patent US733957A successfully refreshed from Google Patents.
US733957A
Expired / Lapsed
US
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Process of manufacturing homogeneous metal castings.
Assignee: Individual
•
Filing: 1902-11-06
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Granted: 1903-07-21
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Expires: 1922-11-06
Abstract
No abstract record available.
Inventors
- 👤 Hans Goldschmidt
- 👤 Walther Mathesius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:44
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/04; C21C7/06; Y; Y10; Y10S; Y10S75/00; Y10S75/959
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) | 1906-07-20 | 1907-01-19 | 1907-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-07-20 | 1911-01-19 | 1911-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-07-20 | 1915-01-19 | 1915-07-21 | $7700.00 | Window Closed / Lapsed |