Patent US3397617A successfully refreshed from Google Patents.
US3397617A
Expired / Lapsed
US
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Pneumatic percussion machine
Assignee: Karl M Reich Maschinenfabrik GmbH
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Filing: 1965-01-19
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Granted: 1968-08-20
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Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 Cast Adolf
- 👤 Reich Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:00
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04; B25C1/047; E; E02; E02D; E02D7/00; E02D7/02; E02D7/06; E02D7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2024042A
Cited
US2914033A
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US3104395A
Cited
US3049713A
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US2983922A
Cited
US3128468A
Cited
US3188921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |