US2815581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instruments for two-flank testing of toothed wheels
Assignee: Schoppe and Faeser GmbH
•
Filing: 1955-11-01
•
Granted: 1957-12-10
•
Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Strelow Heinz Georg Emil
- 👤 Dinger Alfons Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:04
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1696049A
Cited
US1804138A
Cited
US2447445A
Cited
US2689410A
Cited
US2715998A
Cited
US2726455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |