US2101077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spirit level and mounting
Assignee: Dietzgen Eugene Co
•
Filing: 1934-11-02
•
Granted: 1937-12-07
•
Expires: 1954-11-02
Abstract
No abstract record available.
Inventors
- 👤 Langsner Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:07
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; G01C9/24; G01C9/26; G01C9/28
Claims Analysis
Total Claims: 0
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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) | 1940-12-06 | 1941-06-07 | 1941-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-06 | 1945-06-07 | 1945-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-06 | 1949-06-07 | 1949-12-07 | $7700.00 | Window Closed / Lapsed |