US2497504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loose headstock of a lathe
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-05-03
•
Granted: 1950-02-14
•
Expires: 1966-05-03
Abstract
No abstract record available.
Inventors
- 👤 Kronouer Johan George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:51
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q1/25; B23Q1/26; B23Q1/262; B23Q1/28; B23Q2701/00; B23Q2701/01; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |