US3216433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loading dock shelter
Assignee: Individual
•
Filing: 1964-06-11
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Granted: 1965-11-09
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 Azzo Errol P D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/02; E04H15/04; B; B65; B65G; B65G69/00; B65G69/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A SHELTER FOR A DOCK DOORWAY HAVING SIDE AND TOP DOORWAY PANELS, A FRAMWORK INCLUDING A PAIR OF UPPER EXTENSIBLE AND RETRACTABLE ARM ASSEMBLIES FOR MOUNTING AT OPPOSITE SIDES OF THE DOORWAYS A CROSS MEMBER CONNECTED TO OPPOSITE ENDS OF THE ARM ASSEMBLIES, MEAN NORMALLY HOLDING THE ARM ASSEMBLIES IN FORWARDLY EXTENDING POSITIONS, A PAIR OF LOWER EXTENSIBLE AND RETRACTTABLE ARM ASSEMBLIES FOR MOUNTING AT OPPOSITE SIDES OF THE DOORWAY BELOW THE UPPER ARM ASSEMBLIES, SAID LOWER ARM ASSEMBLIES INCLUDING HINGE MOUNTINGS SO THAT THE LOWER ARM ASSEMBLIES ARE MOVABLE LATERALLY, FIRST SPRING MEANS ON SAID HINGE MOUNTING NORMALLY BIASING THE LOWER ARM ASSEMBLIES INTO VERTICAL PLANES, AND SECOND SPRING MEANS ON SAID HINGE MOUNTINGS AND CONNECTED TO THE LOWER ARM ASSEMBLIES TO BIAS THE LOWER ARM ASSEMBLIES TO FORWARDLY EXTENDING POSITIONS IN SAID VERTICAL PLANES; EACH OF SAID UPPER ARM ASSEMBLIES COMPRISING A PLURALITY OF INTERCONNECTED LINKS DEFINING SCISSOR ARMS.
Claim 2
Dependent Claim
152 words
IN A SHELTER FOR A DOCK DOORWAY HAVING SIDE AND TOP DOORWAY PANELS, A FRAMWORK INCLUDING A PAIR OF UPPER EXTENSIBLE AND RETRACTABLE ARM ASSEMBLIES FOR MOUNTING AT OPPOSITE SIDES OF THE DOORWAYS A CROSS MEMBER CONNECTED TO OPPOSITE ENDS OF THE ARM ASSEMBLIES, MEAN NORMALLY HOLDING THE ARM ASSEMBLIES IN FORWARDLY EXTENDING POSITIONS, A PAIR OF LOWER EXTENSIBLE AND RETRACTTABLE ARM ASSEMBLIES FOR MOUNTING AT OPPOSITE SIDES OF THE DOORWAY BELOW THE UPPER ARM ASSEMBLIES, SAID LOWER ARM ASSEMBLIES INCLUDING HINGE MOUNTINGS SO THAT THE LOWER ARM ASSEMBLIES ARE MOVABLE LATERALLY, FIRST SPRING MEANS ON SAID HINGE MOUNTING NORMALLY BIASING THE LOWER ARM ASSEMBLIES INTO VERTICAL PLANES, AND SECOND SPRING MEANS ON SAID HINGE MOUNTINGS AND CONNECTED TO THE LOWER ARM ASSEMBLIES TO BIAS THE LOWER ARM ASSEMBLIES TO FORWARDLY EXTENDING POSITIONS IN SAID VERTICAL PLANES; EACH OF SAID UPPER ARM ASSEMBLIES COMPRISING A PLURALITY OF INTERCONNECTED LINKS DEFINING SCISSOR ARMS.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |