Patent US3221614A successfully refreshed from Google Patents.
US3221614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building-element, particularly a paving-element
Assignee: Individual
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Filing: 1961-12-04
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Granted: 1965-12-07
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Pertien Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:19
CPC Classifications
E; E01; E01C; E01C5/00; E01C2201/00; E01C2201/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A BUILDING ELEMENT, PARTICULARLY FOR PAVING, CONSISTING OF A PLURALITY OF CONTIGUOUS INTEGRAL BLOCK PORTIONS EACH HAVING A FLAT UPPER SURFACE AND A BOTTOM SURFACE, THE FLAT UPPER SURFACES OF THE BLOCK PORTIONS TOGETHER FORMING A RECTANGULAR SURFACE, THE BOTTOM PORTIONS BEING LATERALLY OFFSET FROM EACH OTHER AND JOINED ALONG A LINE OF SUBSTANTIAL LENGTH, EACH BLOCK PORTION FURTHER HAVING A PAIR OF FLAT SUBSTANTIALLY PARALLEL DEPENDING LATERAL SURFACES WITH THE RESPECTIVE LATERAL SURFACES BEING ON OPPOSITE SIDES OF SAID RECTANGULAR SURFACE, THE LATERAL SURFACES OF EACH BLOCK PORTION EXTENDING FROM THE EDGES OF THE UPPER SURFACE OF THE EDGES OF THE BOTTOM SURFACE, THE LATERAL SURFACE ON ONE BLOCK PORTION EXTENDING AT A FIRST ANGLE TO A VERTICAL BETWEEN THE UPPER AND BOTTOM SURFACES, AND THE LATERAL SURFACES ON THE BLOCK PORTIONS ADJACENT TO SAID ONE BLOCK PORTION EXTENDING BETWEEN THE UPPER AND BOTTOM SURFACE AT A SECOND ANGLE TO THE VERTICAL WHICH IS DIFFERENT FROM SAID FIRST ANGLE, AND FLAT DEPENDING END SURFACE WHICH ARE PERPENDICULAR TO THE TOP AND BOTTOM SURFACES.
Claim 2
Dependent Claim
174 words
A BUILDING ELEMENT, PARTICULARLY FOR PAVING, CONSISTING OF A PLURALITY OF CONTIGUOUS INTEGRAL BLOCK PORTIONS EACH HAVING A FLAT UPPER SURFACE AND A BOTTOM SURFACE, THE FLAT UPPER SURFACES OF THE BLOCK PORTIONS TOGETHER FORMING A RECTANGULAR SURFACE, THE BOTTOM PORTIONS BEING LATERALLY OFFSET FROM EACH OTHER AND JOINED ALONG A LINE OF SUBSTANTIAL LENGTH, EACH BLOCK PORTION FURTHER HAVING A PAIR OF FLAT SUBSTANTIALLY PARALLEL DEPENDING LATERAL SURFACES WITH THE RESPECTIVE LATERAL SURFACES BEING ON OPPOSITE SIDES OF SAID RECTANGULAR SURFACE, THE LATERAL SURFACES OF EACH BLOCK PORTION EXTENDING FROM THE EDGES OF THE UPPER SURFACE OF THE EDGES OF THE BOTTOM SURFACE, THE LATERAL SURFACE ON ONE BLOCK PORTION EXTENDING AT A FIRST ANGLE TO A VERTICAL BETWEEN THE UPPER AND BOTTOM SURFACES, AND THE LATERAL SURFACES ON THE BLOCK PORTIONS ADJACENT TO SAID ONE BLOCK PORTION EXTENDING BETWEEN THE UPPER AND BOTTOM SURFACE AT A SECOND ANGLE TO THE VERTICAL WHICH IS DIFFERENT FROM SAID FIRST ANGLE, AND FLAT DEPENDING END SURFACE WHICH ARE PERPENDICULAR TO THE TOP AND BOTTOM SURFACES.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |