US2576202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device comprising at least one level vial
Assignee: Individual
•
Filing: 1948-04-16
•
Granted: 1951-11-27
•
Expires: 1968-04-16
Abstract
No abstract record available.
Inventors
- 👤 Wullschleger Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:35
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; G01C9/24; G01C9/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US562679A
Cited
US777641A
Cited
US988637A
Cited
US1082163A
Cited
US1488419A
Cited
US2305678A
Cited
GB559325A
Cited
US2432124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |