US2670476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hospital bed
Assignee: Simmons USA Corp
•
Filing: 1948-02-13
•
Granted: 1954-03-02
•
Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
- 👤 Travis Don Carlos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:04
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US238799A
Cited
US471764A
Cited
US1075752A
Cited
DE456052C
Cited
US2247516A
Cited
US2337284A
Cited
US2373017A
Cited
US2373018A
Cited
US2437096A
Cited
US2357242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |