US2715230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Padding support for spring mattress structures
Assignee: Flex O Lators Inc
•
Filing: 1951-11-07
•
Granted: 1955-08-16
•
Expires: 1971-11-07
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Hood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:03
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2004364A
Cited
US1167856A
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US1279510A
Cited
US1413577A
Cited
US1748094A
Cited
US1955187A
Cited
US2184572A
Cited
US2395402A
Cited
US2341254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |