Patent US3072453A successfully refreshed from Google Patents.
US3072453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding extension table device
Assignee: Individual
•
Filing: 1961-01-23
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Granted: 1963-01-08
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Expires: 1981-01-23
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 13:49
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)
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 |