Patent US2409290A successfully refreshed from Google Patents.
US2409290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool guiding device
Assignee: Individual
•
Filing: 1941-03-10
•
Granted: 1946-10-15
•
Expires: 1961-03-10
Abstract
No abstract record available.
Inventors
- 👤 Lipp Rudolf Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:27
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/06; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/4804; B23Q16/00; B23Q16/001; B23Q35/00; B23Q35/04; B44B3/001; G; G11; G11B; G11B7/00; B44B2700/00; B44B2700/02; B44B2700/021; B44B2700/12
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) | 1949-10-14 | 1950-04-15 | 1950-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-14 | 1954-04-15 | 1954-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-14 | 1958-04-15 | 1958-10-15 | $7700.00 | Window Closed / Lapsed |