Patent US890159A successfully refreshed from Google Patents.
US890159A
Expired / Lapsed
US
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Portable derrick.
Assignee: Individual
•
Filing: 1903-11-18
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Granted: 1908-06-09
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Expires: 1923-11-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas Spencer Miller
- 👤 Joseph H Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:00
CPC Classifications
B; B65; B65G; B65G67/00; B65G67/02; B65G67/04; B65G67/20
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) | 1911-06-09 | 1911-12-09 | 1912-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-06-09 | 1915-12-09 | 1916-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-06-09 | 1919-12-09 | 1920-06-09 | $7700.00 | Window Closed / Lapsed |