Patent FR595094A successfully refreshed from Google Patents.
Patent US817707A successfully refreshed from Google Patents.
US817707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cut-off.
Assignee: Individual
•
Filing: 1905-07-14
•
Granted: 1906-04-10
•
Expires: 1925-07-14
Abstract
No abstract record available.
Inventors
- 👤 Peter C Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:52
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/08; F; F23; F23N; F23N1/00; F23N1/007; F23N2235/00; F23N2235/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1909-04-09 | 1909-10-09 | 1910-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-04-09 | 1913-10-09 | 1914-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-04-09 | 1917-10-09 | 1918-04-10 | $7700.00 | Window Closed / Lapsed |