Patent US2771069A successfully refreshed from Google Patents.
US2771069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocking bed structure and synchronized respirator
Assignee: Individual
•
Filing: 1951-11-07
•
Granted: 1956-11-20
•
Expires: 1971-11-07
Abstract
No abstract record available.
Inventors
- 👤 Charlotte M Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:24
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/001; A61H1/003; A61H31/00; A61H31/004; A61H31/006; A61H31/008
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US323701A
Cited
US372288A
Cited
GB191309790A
Cited
US1710475A
Cited
US2201690A
Cited
US2375225A
Cited
US2618787A
Cited
US2467724A
Cited
GB630348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |