US2498460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilt indicating attachment for machine heads
Assignee: Individual
•
Filing: 1948-02-20
•
Granted: 1950-02-21
•
Expires: 1968-02-20
Abstract
No abstract record available.
Inventors
- 👤 William E Shenefelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:49
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US790813A
Cited
US886333A
Cited
US1066606A
Cited
US1477545A
Cited
US1593262A
Cited
US1618237A
Cited
US1931490A
Cited
US2414092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |