Patent US731055A successfully refreshed from Google Patents.
US731055A
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Apparatus for making metallic oxids.
Assignee: OSCAR G BOEHM
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Filing: 1903-02-19
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Granted: 1903-06-16
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Expires: 1923-02-19
Abstract
No abstract record available.
Inventors
- 👤 Maurice Jacobi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/0242; B01J8/025; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00477; B01J2208/00495
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) | 1906-06-15 | 1906-12-15 | 1907-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-06-15 | 1910-12-15 | 1911-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-06-15 | 1914-12-15 | 1915-06-16 | $7700.00 | Window Closed / Lapsed |