US2559956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressible sectional mattress
Assignee: Individual
•
Filing: 1948-09-28
•
Granted: 1951-07-10
•
Expires: 1968-09-28
Abstract
No abstract record available.
Inventors
- 👤 Hay Alexarena
- 👤 Starr R Mcleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:57
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/061; Y; Y10; Y10S; Y10S5/00; Y10S5/937
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2437006A
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 |