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US2573336A
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Inking mechanism
Assignee: International Business Machines Corp
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Filing: 1947-09-03
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Granted: 1951-10-30
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Expires: 1967-09-03
Abstract
No abstract record available.
Inventors
- 👤 Richard H Holmwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:56
CPC Classifications
B; B41; B41F; B41F9/00; B41F9/06; B41F9/061; B41F9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US374644A
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US846131A
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US1293305A
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US1644723A
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US1861142A
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US2039992A
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US2154544A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |