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US2587316A
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Assignee: Individual
•
Filing: 1946-08-15
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Granted: 1952-02-26
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Expires: 1966-08-15
Abstract
No abstract record available.
Inventors
- 👤 Glenn C Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:51
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/04; A47B23/042; A47B23/043; A47B23/044; B; B42; B42D; B42D17/00; B42D3/00; B42D3/12; B42D3/126; B42D3/16; B42D3/18; B42F; B42F13/00; B42F13/40; B42F13/402; B42F5/00; B42F5/005; A47B2023/045; A47B2220/00; A47B2220/0016; A47B2220/0019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US527096A
Cited
US1476838A
Cited
US1687875A
Cited
DE531576C
Cited
US2178903A
Cited
US2407592A
Cited
US2490356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |