Patent JPS632565A successfully refreshed from Google Patents.
Patent US790478A successfully refreshed from Google Patents.
US790478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boom for excavators.
Assignee: VULCAN IRON WORKS Co
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Filing: 1905-01-28
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Granted: 1905-05-23
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Expires: 1925-01-28
Abstract
No abstract record available.
Inventors
- 👤 Edward L Byron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:50
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/64; B66C23/66
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) | 1908-05-22 | 1908-11-21 | 1909-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-05-22 | 1912-11-21 | 1913-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-05-22 | 1916-11-21 | 1917-05-23 | $7700.00 | Window Closed / Lapsed |