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Patent US2560018A successfully refreshed from Google Patents.
US2560018A
Expired / Lapsed
US
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Combination box spring and mattress
Assignee: Bridgestone Firestone Inc
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Filing: 1947-03-12
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Granted: 1951-07-10
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Expires: 1967-03-12
Abstract
No abstract record available.
Inventors
- 👤 Lewis E Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:52
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/05; A47C27/053; A47C23/00; A47C23/04; A47C23/043; A47C23/0433; A47C27/06; A47C27/062; A47C27/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US854161A
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US1412879A
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US1698638A
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US1719553A
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US1916056A
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US1883837A
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US2182069A
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US2287734A
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US2399628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |