Patent US1090955A successfully refreshed from Google Patents.
US1090955A
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Metallic derrick.
Assignee: PATRICK HENRY YORKE
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Filing: 1913-10-18
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Granted: 1914-03-24
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Expires: 1933-10-18
Abstract
No abstract record available.
Inventors
- 👤 Patrick Yorke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:29
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/02; E04H12/08; E04H12/10; E04B; E04B1/00; E04B1/18; E04B1/19; E04B2001/1924; E04B2001/1927
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) | 1917-03-23 | 1917-09-22 | 1918-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-03-23 | 1921-09-22 | 1922-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-03-23 | 1925-09-22 | 1926-03-24 | $7700.00 | Window Closed / Lapsed |