US2949292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating apparatus
Assignee: International Business Machines Corp
•
Filing: 1957-10-29
•
Granted: 1960-08-16
•
Expires: 1977-10-29
Abstract
No abstract record available.
Inventors
- 👤 Carl F Abissi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:07
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/02; B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; B42; B42F; B42F21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US65653A
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US139718A
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US278091A
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US422056A
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US561441A
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US882474A
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US1086200A
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US1799374A
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US1871597A
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US2077232A
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US2068037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |