Patent US3249952A successfully refreshed from Google Patents.
US3249952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated hospital bedding
Assignee: Wortso Corp
•
Filing: 1964-01-24
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Granted: 1966-05-10
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Melvin N Janapol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:05
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A MATTRESS COMPRISING A PLURALITY OF RELATIVELY MOVABLE SECTIONS AND EACH WITH ITS OWN INDEPENDENT SPRING FRAME, SAID SPRING FRAME HAVING OPPOSITE SIDE RAILS WITH ROWS OF INWARDLY EXTENDING SPRING COILS THEREBETWEEN, THERE BEING PADDING OVERLYING THE RAILS AND INTERMEDIATE SPRING COILS, AND SAID ADJACENT SPRING FRAMES BEING PIVOTALLY COUPLED BY MEANS OF INWARDLY OFFSET EXTENSIONS OF THE OPPOSITE SIDE RAILS OF SAID ADJACENT SPRING FRAMES, THE SAID EXTENSIONS BEING JOINED BY PIVOT PINS ON A COMMON AXIS DISPLACED INWARDLY FROM THE RAILS.
Claim 2
Dependent Claim
83 words
A MATTRESS COMPRISING A PLURALITY OF RELATIVELY MOVABLE SECTIONS AND EACH WITH ITS OWN INDEPENDENT SPRING FRAME, SAID SPRING FRAME HAVING OPPOSITE SIDE RAILS WITH ROWS OF INWARDLY EXTENDING SPRING COILS THEREBETWEEN, THERE BEING PADDING OVERLYING THE RAILS AND INTERMEDIATE SPRING COILS, AND SAID ADJACENT SPRING FRAMES BEING PIVOTALLY COUPLED BY MEANS OF INWARDLY OFFSET EXTENSIONS OF THE OPPOSITE SIDE RAILS OF SAID ADJACENT SPRING FRAMES, THE SAID EXTENSIONS BEING JOINED BY PIVOT PINS ON A COMMON AXIS DISPLACED INWARDLY FROM THE RAILS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |