US2589393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting means for articles such as typewriters and sewing machines
Assignee: Individual
•
Filing: 1945-04-18
•
Granted: 1952-03-18
•
Expires: 1965-04-18
Abstract
No abstract record available.
Inventors
- 👤 Charles C James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:43
CPC Classifications
D; D05; D05B; D05B75/00; D05B75/06; A; A47; A47B; A47B21/00; A47B21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US993588A
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US1272916A
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US1656714A
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US1838613A
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US1888034A
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US1929048A
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US1949118A
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US1933933A
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US2173302A
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US2217658A
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US2247380A
Cited
US2314144A
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US2315436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |