US2430612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liner for upholstered spring units
Assignee: Falls Spring & Wire Co
•
Filing: 1944-05-23
•
Granted: 1947-11-11
•
Expires: 1964-05-23
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Heuer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:59
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1118136A
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US1884270A
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US1998326A
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US2000114A
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US2008158A
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US2133762A
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US2099586A
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US2227685A
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US2251103A
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US2221507A
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US2283116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |