US2442402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forward and reverse tabulating
Assignee: —
•
Filing: —
•
Granted: 1948-06-01
•
Expires: 1965-06-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:54
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/21; B41J2/2132; G; G06; G06C; G06C11/00; G06C11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2012111A
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US1063181A
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US2088092A
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US2366368A
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US2216636A
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US2313982A
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US1440118A
Cited
US2082098A
Cited
US2192324A
Cited
US2294948A
Cited
US2279142A
Cited
US2332011A
Cited
US2335438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |