US2561093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion rammer
Assignee: FRANCIS N BARD
•
Filing: 1947-06-07
•
Granted: 1951-07-17
•
Expires: 1967-06-07
Abstract
No abstract record available.
Inventors
- 👤 Victor W Breitenstein
- 👤 Emmons R Boddinghouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:34
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB395524A
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FR749121A
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US2072266A
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US2112672A
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US2292942A
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US2214800A
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US2333419A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |