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US2705142A
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Assignee: AB Dick Co
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Filing: 1951-10-12
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Granted: 1955-03-29
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Expires: 1971-10-12
Abstract
No abstract record available.
Inventors
- 👤 Walter T Gollwitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:27
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K13/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1592367A
Cited
US1965819A
Cited
US2274088A
Cited
US2358742A
Cited
US2402774A
Cited
US2643605A
Cited
US2573944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |