US2526518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction reducing device for machine tools
Assignee: Societe Genevoise dInstruments de Physique
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Filing: 1949-05-03
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Granted: 1950-10-17
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Expires: 1969-05-03
Abstract
No abstract record available.
Inventors
- 👤 Fernand W Turrettini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:16
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/066; E05D15/0665; E05D15/0669; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/262; F; F16; F16C; F16C29/00; F16C29/04; F16C29/045; E05Y; E05Y2999/00; F16C2322/00; F16C2322/39; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30868
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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |