US2576239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube thread grinding machine
Assignee: Landis Machine Co
•
Filing: 1947-05-29
•
Granted: 1951-11-27
•
Expires: 1967-05-29
Abstract
No abstract record available.
Inventors
- 👤 Charles A Reimschissel
- 👤 George E Hieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:27
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/02; B24B19/022; Y; Y10; Y10S; Y10S248/00; Y10S248/904
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |