US2629111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress construction
Assignee: Simmons USA Corp
•
Filing: 1949-04-11
•
Granted: 1953-02-24
•
Expires: 1969-04-11
Abstract
No abstract record available.
Inventors
- 👤 Roman F Korney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:09
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/045; A47C27/0453; A47C27/06; A47C27/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2033841A
Cited
US2156343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |