US2560842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire spring structure for seat constructions
Assignee: Universal Wire Spring Co
•
Filing: 1946-03-27
•
Granted: 1951-07-17
•
Expires: 1966-03-27
Abstract
No abstract record available.
Inventors
- 👤 Svend G Blumensaadt
- 👤 William H Neely
- 👤 Norman A Page
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/067; A47C7/00; A47C7/02; A47C7/28; A47C7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1011515A
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US1632936A
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US1486574A
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US1528125A
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GB275484A
Cited
US2031745A
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US2122979A
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US2279336A
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US2341015A
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US2384191A
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US2373775A
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US2407933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |