US3224390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding leg table construction
Assignee: Individual
•
Filing: 1963-09-17
•
Granted: 1965-12-21
•
Expires: 1983-09-17
Abstract
No abstract record available.
Inventors
- 👤 Charles A Calvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:00
CPC Classifications
A; A47; A47B; A47B3/00; A47B3/08; A47B3/0818
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
IN A FOLDING LEG TABLE CONSTRUCTION, A TABLE TOP, A SUPPORTING FRAME FOR SAID TABLE TOP COMPRISING HOLLOW SIDE RAILS HAVING THE ENDS THEREOF AND HOLLOW END RAILS CONNECTED TO THE ADJACENT SIDE SURFACES OF THE SIDE RAILS TO FORM A TOP SUPPORTING FRAME OF RECTANGULAR CONFIGURATION AS VIEWED IN PLAN, A PAIR OF LEG ASSEMBLIES DISPOSED ONE EACH AT EACH END OF SAID FRAME AND EACH ASSEMBLY INCLUDING A PAIR OF LEG MEMBERS AND A HORIZONTAL MEMBER CONNECTING THE UPPER ENDS OF SAID PAIR OF LEGS, MEANS HINGEDLY MOUNTING EACH OF SAID LEGS ASSEMBLIES TO ONE EACH OF THE RAILS OF SAID FRAME FOR MOVEMENT ABOUT AXES SPACED FROM AND PARALLEL TO THE PLANE OF SAID TABLE TOP FOR MOVEMENT BETWEEN A FOLDED POSITION PARALLEL AND ADJACENT TO THE SIDE OF SAID FRAME REMOTE FROM THE SIDE THEREOF ENGATED BY SAID TABLE TOP AND AN ERECTED POSITION AT RIGHT ANGLES THERETO WITH THE HORIZONTAL CONNECTING MEMBERS OF EACH OF THE LEG ASSEMBLIES POSITIONED ADJACENT AND PARALLEL TO THE OUTER SURFACES OF THE RESPECTIVE END RAILS, AND SEPARABE MANUALLY OPERABLE MEANS EACH EXTENDING BETWEEN ONE EACH OF SAID SIDE RAILS AND ONE EACH OF SAID LEG ASSEMBLIES AT A POINT THEREON ABOVE SAID HINGE MEANS EFFECTIVE TO CAUSE POSITIVE MOVEMENT OF THE CONNECTED LEG ASSEMBLY BETWEEN SAID POSITIONS.
Claim 2
Dependent Claim
218 words
IN A FOLDING LEG TABLE CONSTRUCTION, A TABLE TOP, A SUPPORTING FRAME FOR SAID TABLE TOP COMPRISING HOLLOW SIDE RAILS HAVING THE ENDS THEREOF AND HOLLOW END RAILS CONNECTED TO THE ADJACENT SIDE SURFACES OF THE SIDE RAILS TO FORM A TOP SUPPORTING FRAME OF RECTANGULAR CONFIGURATION AS VIEWED IN PLAN, A PAIR OF LEG ASSEMBLIES DISPOSED ONE EACH AT EACH END OF SAID FRAME AND EACH ASSEMBLY INCLUDING A PAIR OF LEG MEMBERS AND A HORIZONTAL MEMBER CONNECTING THE UPPER ENDS OF SAID PAIR OF LEGS, MEANS HINGEDLY MOUNTING EACH OF SAID LEGS ASSEMBLIES TO ONE EACH OF THE RAILS OF SAID FRAME FOR MOVEMENT ABOUT AXES SPACED FROM AND PARALLEL TO THE PLANE OF SAID TABLE TOP FOR MOVEMENT BETWEEN A FOLDED POSITION PARALLEL AND ADJACENT TO THE SIDE OF SAID FRAME REMOTE FROM THE SIDE THEREOF ENGATED BY SAID TABLE TOP AND AN ERECTED POSITION AT RIGHT ANGLES THERETO WITH THE HORIZONTAL CONNECTING MEMBERS OF EACH OF THE LEG ASSEMBLIES POSITIONED ADJACENT AND PARALLEL TO THE OUTER SURFACES OF THE RESPECTIVE END RAILS, AND SEPARABE MANUALLY OPERABLE MEANS EACH EXTENDING BETWEEN ONE EACH OF SAID SIDE RAILS AND ONE EACH OF SAID LEG ASSEMBLIES AT A POINT THEREON ABOVE SAID HINGE MEANS EFFECTIVE TO CAUSE POSITIVE MOVEMENT OF THE CONNECTED LEG ASSEMBLY BETWEEN SAID POSITIONS.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |