US2474741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated typing mechanism for typewriters or like machines
Assignee: Royal Typewriter Co Inc
•
Filing: 1945-07-27
•
Granted: 1949-06-28
•
Expires: 1965-07-27
Abstract
No abstract record available.
Inventors
- 👤 John J Kittel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:33
CPC Classifications
B; B41; B41J; B41J25/00; B41J25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336725A
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GB191415954A
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US1204595A
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US1212939A
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DE327617C
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US1420259A
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US1614475A
Cited
US2095068A
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US2139552A
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US2254764A
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US2383260A
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US2383257A
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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) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |