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Patent US2557736A successfully refreshed from Google Patents.
US2557736A
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Adjusting member for chair irons
Assignee: Seng Co
•
Filing: 1946-11-29
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Granted: 1951-06-19
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Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 Fox Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:51
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/0246; A47C7/00; A47C7/36; A47C7/40; A47C7/44; A47C7/441; A47C7/448; A47C7/443; Y; Y10; Y10T; Y10T403/00; Y10T403/29; Y10T403/291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US377055A
Cited
US1687189A
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US1671764A
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US1794780A
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US2188605A
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US2598106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |