US2618997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction pressure stop for lathes and the like
Assignee: Individual
•
Filing: 1951-02-05
•
Granted: 1952-11-25
•
Expires: 1971-02-05
Abstract
No abstract record available.
Inventors
- 👤 Fellroth Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:45
CPC Classifications
B; B23; B23B; B23B13/00; B23B13/12; B23B13/121; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5178; Y10T82/00; Y10T82/25; Y10T82/2568; Y10T82/2593; Y10T82/2597
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) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |