US2953203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating apparatus
Assignee: NCR Voyix Corp
•
Filing: 1957-02-06
•
Granted: 1960-09-20
•
Expires: 1977-02-06
Abstract
No abstract record available.
Inventors
- 👤 Robert H Granzow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:50
CPC Classifications
G; G06; G06C; G06C11/00; G06C11/08; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/091; Y10T83/096; Y10T83/869; Y10T83/8759; Y10T83/8761
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE297466C
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US458990A
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US770655A
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US763038A
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US734496A
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US1650411A
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US1963313A
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US2131601A
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US2204405A
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US2737241A
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US2775300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |