US2615288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: Landis Tool Co
•
Filing: 1947-06-06
•
Granted: 1952-10-28
•
Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Walter S Klay
- 👤 Ralph E Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:32
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/262; B23Q1/265; B24; B24B; B24B41/00; B24B41/02; Y; Y10; Y10T; Y10T74/00; Y10T74/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB287726A
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US1836482A
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US2135639A
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US2208499A
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US2335712A
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US2419926A
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US2429710A
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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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |