US2465657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Typing and justifying machine
Assignee: COXHEAD RALPH C CORP
•
Filing: 1945-11-19
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Granted: 1949-03-29
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Expires: 1965-11-19
Abstract
No abstract record available.
Inventors
- 👤 Charles W Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:14
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/18; B41J19/60; B41J19/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US510305A
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US1186216A
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US2263642A
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US2213562A
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US2298805A
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US2350561A
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US2348261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |