Patent US2830571A successfully refreshed from Google Patents.
US2830571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: CIMATOOL Corp
•
Filing: 1954-02-04
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Granted: 1958-04-15
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Expires: 1974-02-04
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Mahlmeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:10
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/06; B24B53/08; B24B53/083; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/21; Y10T74/2101; Y10T74/2107; Y10T82/00; Y10T82/14; Y10T82/25; Y10T82/2531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US802366A
Cited
US1139555A
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US1330881A
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US1600401A
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GB279646A
Cited
US2007717A
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US1985752A
Cited
US2061778A
Cited
US2654291A
Cited
US2663292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |