Patent US1546248A successfully refreshed from Google Patents.
US1546248A
Expired / Lapsed
US
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Steam-driven locomotive
Assignee: Berliner Mashinenbau AG
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Filing: 1924-08-07
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Granted: 1925-07-14
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Expires: 1944-08-07
Abstract
No abstract record available.
Inventors
- 👤 Munk Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:54
CPC Classifications
B; B61; B61C; B61C1/00; B61C1/02
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) | 1928-07-13 | 1929-01-12 | 1929-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-13 | 1933-01-12 | 1933-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-13 | 1937-01-12 | 1937-07-14 | $7700.00 | Window Closed / Lapsed |