Patent US3220019A successfully refreshed from Google Patents.
US3220019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress support tilt regulator
Assignee: Individual
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Filing: 1963-12-16
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Granted: 1965-11-30
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Nelson Ted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:45
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A MATTRESS SUPPORT TILT REGULATOR THE COMBINATION COMPRISING A POWER TILT BED INCLUDING A FRAME, A PIVOTALLY MOUNTED MATTRESS SUPPORT ON SAID FRAME AND OPERATOR CONTROL MEANS FOR PIVOTING SAID MATTRESS SUPPORT WITH RESPECT TO SAID FRAME BOTH TO HIGH UPWARD ANGLES TOWARD THE FOT OF THE FRAME AND DOWNWARD ANGLES TOWARD THE HEAD OF THE FRAME, AND SEPARATE DIAL MEANS NOT OPERATOR CONTROLLED FOR LIMITING BOTH THE UPWARD AND DOWNWARD PIVOTAL MOVEMENT OF SIAD MATTRESS SUPPORT TO PRE-SET ANGLES ON SAID DIAL MEANS.
Claim 2
Dependent Claim
85 words
IN A MATTRESS SUPPORT TILT REGULATOR THE COMBINATION COMPRISING A POWER TILT BED INCLUDING A FRAME, A PIVOTALLY MOUNTED MATTRESS SUPPORT ON SAID FRAME AND OPERATOR CONTROL MEANS FOR PIVOTING SAID MATTRESS SUPPORT WITH RESPECT TO SAID FRAME BOTH TO HIGH UPWARD ANGLES TOWARD THE FOT OF THE FRAME AND DOWNWARD ANGLES TOWARD THE HEAD OF THE FRAME, AND SEPARATE DIAL MEANS NOT OPERATOR CONTROLLED FOR LIMITING BOTH THE UPWARD AND DOWNWARD PIVOTAL MOVEMENT OF SIAD MATTRESS SUPPORT TO PRE-SET ANGLES ON SAID DIAL MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |