Patent US3159668A successfully refreshed from Google Patents.
Patent US3619683A successfully refreshed from Google Patents.
Patent US804542A successfully refreshed from Google Patents.
US804542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forging-press.
Assignee: CHAS T SCHOEN
•
Filing: 1904-12-21
•
Granted: 1905-11-14
•
Expires: 1924-12-21
Abstract
No abstract record available.
Inventors
- 👤 Henrik V Loss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:04
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/02; B21J9/027; B21D; B21D53/00; B21D53/36; B21J13/00; B21J13/02; B21J13/025
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) | 1908-11-13 | 1909-05-15 | 1909-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-11-13 | 1913-05-15 | 1913-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-11-13 | 1917-05-15 | 1917-11-14 | $7700.00 | Window Closed / Lapsed |