US2439868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder
Assignee: Wilson Jones Co
•
Filing: 1944-09-13
•
Granted: 1948-04-20
•
Expires: 1964-09-13
Abstract
No abstract record available.
Inventors
- 👤 Segal Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:35
CPC Classifications
G; G09; G09F; G09F23/00; G09F23/06; G09F5/00; G09F5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316885A
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US1551302A
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US754227A
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US1042542A
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US1044529A
Cited
US1098154A
Cited
US1339194A
Cited
US1452278A
Cited
US1499712A
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US1572239A
Cited
US1970394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |