Patent US3309830A successfully refreshed from Google Patents.
US3309830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slotted block wall construction with interfitted wire tie
Assignee: Individual
•
Filing: 1963-09-13
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Granted: 1967-03-21
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Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Fitzgerald Isabel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4178; E04B1/4185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A WALL CONSTRUCTION COMPRISING A PLURALITY OF COURSES OF HOLLOW BLOCKS, SAID BLOCKS IN EACH COURSE DEFINING A ROW OF VERTICALLY EXTENDING CELLS AND A CONTINUOUS FRONT PANEL, SPACED VERTICALLY EXTENDING SLOTS PROVIDED IN THE FRONT PANEL AND COMMUNICATING WITH AN INNER SURFACE OF EACH OF SELECTED CELLS, SAID SLOTS EACH COMPRISING A FIRST PAIR OF OPPOSED WALLS MEETING SAID FRONT PANEL AT OPPOSED CORNERS AND EXTENDING REARWARDLY THEREFROM TO A SECOND PAIR OF OPPOSED WALLS EXTENDING FURTHER INTO SAID BLOCK TOWARD SAID INNER SURFACE AND MEETING A THIRD PAIR OF FACING WALLS WHICH EXTEND TO SAID INNER SURFACE, TIES EACH HAVING A HEAD AND A PAIR OF ARMS INTEGRAL WITH THE HEAD AND TWISTED TOGETHER WITHIN THE SLOTS, SAID ARMS HAVING PORTIONS LYING OUTSIDE THE OUTER SURFACE OF THE PANEL WITH PORTIONS OF SAID HEAD AND SAID ARMS OF EACH TIE IN EACH SLOT CONTACTING SAID INNER SURFACE AND SAID SECOND PAIR OF OPPOSED WALLS, RESPECTIVELY, AND A FACING COVERING THE OUTER PANELS OF THE BLOCK COURSES AND ANCHORED TO THE BLOCKS BY THE TIES.
Claim 2
Dependent Claim
176 words
A WALL CONSTRUCTION COMPRISING A PLURALITY OF COURSES OF HOLLOW BLOCKS, SAID BLOCKS IN EACH COURSE DEFINING A ROW OF VERTICALLY EXTENDING CELLS AND A CONTINUOUS FRONT PANEL, SPACED VERTICALLY EXTENDING SLOTS PROVIDED IN THE FRONT PANEL AND COMMUNICATING WITH AN INNER SURFACE OF EACH OF SELECTED CELLS, SAID SLOTS EACH COMPRISING A FIRST PAIR OF OPPOSED WALLS MEETING SAID FRONT PANEL AT OPPOSED CORNERS AND EXTENDING REARWARDLY THEREFROM TO A SECOND PAIR OF OPPOSED WALLS EXTENDING FURTHER INTO SAID BLOCK TOWARD SAID INNER SURFACE AND MEETING A THIRD PAIR OF FACING WALLS WHICH EXTEND TO SAID INNER SURFACE, TIES EACH HAVING A HEAD AND A PAIR OF ARMS INTEGRAL WITH THE HEAD AND TWISTED TOGETHER WITHIN THE SLOTS, SAID ARMS HAVING PORTIONS LYING OUTSIDE THE OUTER SURFACE OF THE PANEL WITH PORTIONS OF SAID HEAD AND SAID ARMS OF EACH TIE IN EACH SLOT CONTACTING SAID INNER SURFACE AND SAID SECOND PAIR OF OPPOSED WALLS, RESPECTIVELY, AND A FACING COVERING THE OUTER PANELS OF THE BLOCK COURSES AND ANCHORED TO THE BLOCKS BY THE TIES.
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |