US2495927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe machine
Assignee: Individual
•
Filing: 1943-10-06
•
Granted: 1950-01-31
•
Expires: 1963-10-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:07
CPC Classifications
B; B23; B23C; B23C7/00; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/107473; Y10T409/30; Y10T409/309576; Y10T409/309856
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US359375A
Cited
US963904A
Cited
US1144744A
Cited
US1263671A
Cited
US1239268A
Cited
US1658267A
Cited
US1636755A
Cited
US1706587A
Cited
US1927419A
Cited
GB374303A
Cited
US1963033A
Cited
US2034221A
Cited
US2084898A
Cited
US2332646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |