US612772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anton j
Assignee: —
•
Filing: —
•
Granted: 1898-10-18
•
Expires: 1915-10-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:31
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/04; E; E21; E21B; E21B33/00; E21B33/10; E21B33/12
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) | 1901-10-18 | 1902-04-19 | 1902-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-10-18 | 1906-04-19 | 1906-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-10-18 | 1910-04-19 | 1910-10-19 | $7700.00 | Window Closed / Lapsed |