Patent US3331400A successfully refreshed from Google Patents.
Patent US3243825A successfully refreshed from Google Patents.
US3243825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hospital stretchers and the like
Assignee: Midmark Corp
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Filing: 1963-08-26
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Granted: 1966-04-05
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Paul C Tabbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:19
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A STRUCTURE OF THE CLASS DESCRIBED COMPRISING A CARRIAGE FRAME INCLUDING A LONGITUDINAL FRAME MEMBER AND CROSS MEMBERS AT THE ENDS THEREOF AND WHEELS MOUNTED ON SAID CROSS MEMBERS IN LATERALLY SPACED RELATION TO SAID LONGITUDINAL MEMBER, UPRIGHTS COMPRISING PAIRS OF LATERALLY SPACED MEMBERS FIXEDLY MOUNTED ON SAID CARRIAGE TO PROJECT UPWARDLY THEREFROM AND HAVING VERTICALLY SPACED COUPLING MEMBER HOLES THEREIN, A PLATFORM HAVING DOWNWARDLY PROJECTING POSTS FIXEDLY CONNECTED THERETO AND SPACED TO CORRESPOND TO SAID UPRIGHTS AND DISPOSED BETWEEN SAID UPRIGHT MEMBERS IN LATERALLY SUPPORTED TILTABLE ENGAGEMENT THEREWITH, A STRUT MEMBER DISPOSED IN DOWNWARDLY SPACED RELATION TO SAID PLATFORM AND FIXEDLY SECURED TO SAID POSTS, PLATFORM SUPPORTING AND ADJUSTING MEANS COMPRISING A PAIR OF PARALLEL BARS EXTENDING BETWEEN AND SUPPORTEDLY SECURED TO SAID UPRIGHT MEMBERS FOR VERTICAL SUPPORTED ADJUSTMENT THEREON BY COUPLING MEMBERS SELECTIVELY DISPOSED THROUGH SAID HOLES IN SAID UPRIGHTS, ONE OF SAID PLATFORM POSTS BEING
Claim 2
Dependent Claim
148 words
A STRUCTURE OF THE CLASS DESCRIBED COMPRISING A CARRIAGE FRAME INCLUDING A LONGITUDINAL FRAME MEMBER AND CROSS MEMBERS AT THE ENDS THEREOF AND WHEELS MOUNTED ON SAID CROSS MEMBERS IN LATERALLY SPACED RELATION TO SAID LONGITUDINAL MEMBER, UPRIGHTS COMPRISING PAIRS OF LATERALLY SPACED MEMBERS FIXEDLY MOUNTED ON SAID CARRIAGE TO PROJECT UPWARDLY THEREFROM AND HAVING VERTICALLY SPACED COUPLING MEMBER HOLES THEREIN, A PLATFORM HAVING DOWNWARDLY PROJECTING POSTS FIXEDLY CONNECTED THERETO AND SPACED TO CORRESPOND TO SAID UPRIGHTS AND DISPOSED BETWEEN SAID UPRIGHT MEMBERS IN LATERALLY SUPPORTED TILTABLE ENGAGEMENT THEREWITH, A STRUT MEMBER DISPOSED IN DOWNWARDLY SPACED RELATION TO SAID PLATFORM AND FIXEDLY SECURED TO SAID POSTS, PLATFORM SUPPORTING AND ADJUSTING MEANS COMPRISING A PAIR OF PARALLEL BARS EXTENDING BETWEEN AND SUPPORTEDLY SECURED TO SAID UPRIGHT MEMBERS FOR VERTICAL SUPPORTED ADJUSTMENT THEREON BY COUPLING MEMBERS SELECTIVELY DISPOSED THROUGH SAID HOLES IN SAID UPRIGHTS, ONE OF SAID PLATFORM POSTS BEING
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |