Patent US2537274A successfully refreshed from Google Patents.
US2537274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micrometrically adjustable boring tool
Assignee: Ex-Cell-O Corp
•
Filing: 1948-06-05
•
Granted: 1951-01-09
•
Expires: 1968-06-05
Abstract
No abstract record available.
Inventors
- 👤 May Carl F Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:42
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2214; Y10T407/2216; Y10T407/2272; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2096489A
Cited
US2274007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |