Patent US897045A successfully refreshed from Google Patents.
US897045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track-level.
Assignee: Individual
•
Filing: 1907-04-19
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Granted: 1908-08-25
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Expires: 1927-04-19
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:14
CPC Classifications
E; E01; E01B; E01B35/00; E01B35/02; E01B35/04; E01B2203/00; E01B2203/16
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) | 1911-08-25 | 1912-02-24 | 1912-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-08-25 | 1916-02-24 | 1916-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-08-25 | 1920-02-24 | 1920-08-25 | $7700.00 | Window Closed / Lapsed |