US2568613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stake driver
Assignee: Individual
•
Filing: 1946-05-27
•
Granted: 1951-09-18
•
Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Daso Adriano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:35
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/26; E04H17/261; E04H17/263
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US52811A
Cited
US80600A
Cited
US281719A
Cited
US363706A
Cited
US665364A
Cited
US1046662A
Cited
US1482310A
Cited
US2086213A
Cited
US2067890A
Cited
US2098146A
Cited
US2282049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |