US2913854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centerless grinding machine
Assignee: Lidkopings Mekaniska Verkstads AB
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Filing: 1957-05-21
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Granted: 1959-11-24
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Expires: 1977-05-21
Abstract
No abstract record available.
Inventors
- 👤 Ekholm Carl Gustaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:37
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/20; B24B47/206; B24B5/00; B24B5/18; B24B5/30; B24B47/02; B24B47/04; B30; B30B; B30B9/00; B30B9/02; B30B9/04; B30B9/06; B30B9/067; D; D06; D06F; D06F47/00; D06F47/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB363544A
Cited
US2467768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |