US3234699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building block assembly construction and method of erection
Assignee: NL Industries Inc
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Filing: 1961-04-25
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Granted: 1966-02-15
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Expires: 1981-04-25
Abstract
No abstract record available.
Inventors
- 👤 Carleton H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:01
CPC Classifications
E; E04; E04C; E04C1/00; E04C1/42; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A BUILDING BLOCK ASSEMBLY COMPRISING A PLURALITY OF BLOCKS BEING IN EDGE-TO-EDGE RELATIONSHIP WITH ONE ANOTHER, EACH OF SAID BLOCKS HAVING SPACED LIP PORTIONS FORMED ALONG LATERAL EDGES THEREOF ADJACENT TO THE OPPOSITE FACES OF EACH BLOCK, AND SUPPORT MEANS DISPOSED BETWEEN ONLY ONE LIP PORTION OF ADJACENT BLOCKS AND ENGAGING ONLY SAID ONE LIP PORTION THEREOF, SAID SUPPORT MEANS BEING FORMED OF A RELATIVELY RIGID YET DEFORMABLE MATERIAL, EACH OF SAID SUPPORT MEANS HAVING FLANGE MEANS FORMED THEREON ADJACENT ONLY ONE LIP PORTION OF LOCK BLOCK FOR LOCKING THE SUPPORT MEANS IN POSITION, THE SPACE BETWEEN THE ADJACENT ASSEMBLED BLOCKS INTERMEDIATE THE LIP
Claim 2
Dependent Claim
104 words
A BUILDING BLOCK ASSEMBLY COMPRISING A PLURALITY OF BLOCKS BEING IN EDGE-TO-EDGE RELATIONSHIP WITH ONE ANOTHER, EACH OF SAID BLOCKS HAVING SPACED LIP PORTIONS FORMED ALONG LATERAL EDGES THEREOF ADJACENT TO THE OPPOSITE FACES OF EACH BLOCK, AND SUPPORT MEANS DISPOSED BETWEEN ONLY ONE LIP PORTION OF ADJACENT BLOCKS AND ENGAGING ONLY SAID ONE LIP PORTION THEREOF, SAID SUPPORT MEANS BEING FORMED OF A RELATIVELY RIGID YET DEFORMABLE MATERIAL, EACH OF SAID SUPPORT MEANS HAVING FLANGE MEANS FORMED THEREON ADJACENT ONLY ONE LIP PORTION OF LOCK BLOCK FOR LOCKING THE SUPPORT MEANS IN POSITION, THE SPACE BETWEEN THE ADJACENT ASSEMBLED BLOCKS INTERMEDIATE THE LIP
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |