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Patent US2494939A successfully refreshed from Google Patents.
US2494939A
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Separation of cylinders from spheres
Assignee: L G S SPRING CLUTCH Corp
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Filing: 1948-01-13
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Granted: 1950-01-17
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Expires: 1968-01-13
Abstract
No abstract record available.
Inventors
- 👤 Nance Keith Lloyd
- 👤 Chance Le Roy Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:43
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/24; B65G47/256; B07; B07C; B07C5/00; B07C5/04; B07C5/06; B07C5/065; B65G11/00; B65G11/20; B65G11/203; Y; Y10; Y10S; Y10S209/00; Y10S209/94
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) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |