Patent US2600550A successfully refreshed from Google Patents.
US2600550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Taper control indicator
Assignee: Brown and Sharpe Manufacturing Co
•
Filing: 1945-08-07
•
Granted: 1952-06-17
•
Expires: 1965-08-07
Abstract
No abstract record available.
Inventors
- 👤 George N Levesque
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:31
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/02; B24B5/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1632076A
Cited
US1989037A
Cited
US1994256A
Cited
US2011931A
Cited
US2016420A
Cited
DE630173C
Cited
US2065951A
Cited
US2244643A
Cited
US2316975A
Cited
US2322319A
Cited
US2445455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |