Patent US2932449A successfully refreshed from Google Patents.
US2932449A
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US
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Integrating apparatus
Assignee: International Business Machines Corp
•
Filing: 1954-01-25
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Granted: 1960-04-12
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Expires: 1974-01-25
Abstract
No abstract record available.
Inventors
- 👤 Harry G Pisarchik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:19
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2654049A
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US2668662A
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US2586173A
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US2630552A
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US2527661A
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US2656498A
Cited
US2631778A
Cited
US2671610A
Cited
US2700501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |