US2837389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table for handicapped persons
Assignee: Individual
•
Filing: 1957-05-17
•
Granted: 1958-06-03
•
Expires: 1977-05-17
Abstract
No abstract record available.
Inventors
- 👤 Brown Leanna Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:41
CPC Classifications
A; A47; A47B; A47B3/00; A47B13/00; A47B2200/00; A47B2200/0001; A47B2200/0006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US345040A
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US380320A
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US535945A
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US1308034A
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US1314060A
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US794809A
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US1068160A
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US1486762A
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US1732520A
Cited
US1798028A
Cited
US2509060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |