Patent US2583250A successfully refreshed from Google Patents.
US2583250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling device
Assignee: Individual
•
Filing: 1948-07-27
•
Granted: 1952-01-22
•
Expires: 1968-07-27
Abstract
No abstract record available.
Inventors
- 👤 Milfred V Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:37
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/08; A; A01; A01D; A01D75/00; A01D75/28; A01D75/285; Y; Y10; Y10S; Y10S37/00; Y10S37/907; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19372
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1262829A
Cited
US1633981A
Cited
US1877520A
Cited
US1963444A
Cited
US2037505A
Cited
US2278081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |