← Back to Patent Explorer
US3072453A Expired / Lapsed US ⏱️ 0.0 years remaining

Folding extension table device

Assignee: Individual
•
Filing: 1961-01-23
•
Granted: 1963-01-08
•
Expires: 1981-01-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Lloyd D Evans
  • 👤 Harry E Hopes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 13:40
CPC Classifications
A; A47; A47B; A47B77/00; A47B77/04; A47B77/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 169 words
A FOLDING EXTENSION TABLE COMPRISING A DEVICE ADAPTED TO BE POSITIONED IN A SUPPORT STRUCTURE, SAID DEVICE INCLUDING A FIRST PAIR OF SPACED PARALLEL GUIDES ADAPTED TO BE SECURED TO SAID SUPPORT STRUCTURE IN HORIZONTAL RELATION THERETO, A SECOND PAIR OF SPACED PARALLEL GUIDES AND A FIRST GROUP OF RIGID PARALLEL SLIDE MEMBERS HAVING SLIDABLY INTERLOCKING LONGITUDINALLY EXTENDING FORMATIONS ENGAGING ONE ANOTHER AND SAID FIRST AND SECOND PAIR OF GUIDES, A SECOND GROUP OF RIGID PARALLEL SLIDE MEMBERS HAVING SLIDABLY INTERLOCKING LONGITUDINALLY EXTENDING FORMATIONS ENGAGING ONE ANOTHER AND SAID SECOND PAIR OF PARALLEL GUIDES IN OPPOSITELY DISPOSED RELATION TO SAID FIRST GROUP OF PARALLEL SLIDE MEMBERS, A PAIR OF TABLE TOP MEMBERS HINGED TO ONE ANOTHER, ONE OF SAID TABLE TOP MEMBERS SECURED TO SAID SECOND PAIR OF PARALLEL GUIDES, BRACKETS DEFINING RECEPTACLES SECURED TO THE OTHER ONE OF SAID TABLE TOP MEMBERS IN POSITION FOR ALIGNMENT AND REGISTRY WITH TWO OF SAID SECOND GROUP OF SLIDES AND A PAIR OF LEGS HINGED TO SAID LAST-MENTIONED TABLE TOP MEMBER.
Claim 2
Dependent Claim 169 words
A FOLDING EXTENSION TABLE COMPRISING A DEVICE ADAPTED TO BE POSITIONED IN A SUPPORT STRUCTURE, SAID DEVICE INCLUDING A FIRST PAIR OF SPACED PARALLEL GUIDES ADAPTED TO BE SECURED TO SAID SUPPORT STRUCTURE IN HORIZONTAL RELATION THERETO, A SECOND PAIR OF SPACED PARALLEL GUIDES AND A FIRST GROUP OF RIGID PARALLEL SLIDE MEMBERS HAVING SLIDABLY INTERLOCKING LONGITUDINALLY EXTENDING FORMATIONS ENGAGING ONE ANOTHER AND SAID FIRST AND SECOND PAIR OF GUIDES, A SECOND GROUP OF RIGID PARALLEL SLIDE MEMBERS HAVING SLIDABLY INTERLOCKING LONGITUDINALLY EXTENDING FORMATIONS ENGAGING ONE ANOTHER AND SAID SECOND PAIR OF PARALLEL GUIDES IN OPPOSITELY DISPOSED RELATION TO SAID FIRST GROUP OF PARALLEL SLIDE MEMBERS, A PAIR OF TABLE TOP MEMBERS HINGED TO ONE ANOTHER, ONE OF SAID TABLE TOP MEMBERS SECURED TO SAID SECOND PAIR OF PARALLEL GUIDES, BRACKETS DEFINING RECEPTACLES SECURED TO THE OTHER ONE OF SAID TABLE TOP MEMBERS IN POSITION FOR ALIGNMENT AND REGISTRY WITH TWO OF SAID SECOND GROUP OF SLIDES AND A PAIR OF LEGS HINGED TO SAID LAST-MENTIONED TABLE TOP MEMBER.

References Cited (Backward Citations)

US740420A Cited
US1840249A Cited
US2672384A Cited
US2597277A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-07 1966-07-09 1967-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-07 1970-07-09 1971-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-07 1974-07-09 1975-01-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag