US3308724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roadway guard rail barrier
Assignee: Individual
•
Filing: 1963-10-08
•
Granted: 1967-03-14
•
Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Smith Henry Such
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:30
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/02; E01F15/08; E01F15/081; E01F15/085; E01F15/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A ROADWAY GUARD BARRIER COMPRISING A STRUCTURE MOUNTED IN FIXED RELATION TO AND EXTENDING LONGITUDINALLY ALONG A ROADWAY, SAID STRUCTURE PROVIDING CONTINUOUS AND RIGID SUPPORT ALONG A SMOOTH CONTINUOUS OUTER SURFACE EXPOSED TO AND INCLINED OBTUSELY WITH RESPECT TO TRAFFIC ON SAID ROADWAY, SAID OUTER SURFACE BEING FLAT AND RISING ABRUPTLY AND FLATLY FROM SUCH ROADWAY AT AN ANGLE BETWEEN ABOUT 50 AND ABOUT 71 DEGREES AND TO A HEIGHT OF AT LEAST 13 INCHES, SAID OUTER SURFACE HAVING FRICTIONAL CHARACTERISTICS SIMILAR TO THOSE OF FINISHED METAL.
Claim 2
Dependent Claim
87 words
A ROADWAY GUARD BARRIER COMPRISING A STRUCTURE MOUNTED IN FIXED RELATION TO AND EXTENDING LONGITUDINALLY ALONG A ROADWAY, SAID STRUCTURE PROVIDING CONTINUOUS AND RIGID SUPPORT ALONG A SMOOTH CONTINUOUS OUTER SURFACE EXPOSED TO AND INCLINED OBTUSELY WITH RESPECT TO TRAFFIC ON SAID ROADWAY, SAID OUTER SURFACE BEING FLAT AND RISING ABRUPTLY AND FLATLY FROM SUCH ROADWAY AT AN ANGLE BETWEEN ABOUT 50 AND ABOUT 71 DEGREES AND TO A HEIGHT OF AT LEAST 13 INCHES, SAID OUTER SURFACE HAVING FRICTIONAL CHARACTERISTICS SIMILAR TO THOSE OF FINISHED METAL.
References Cited (Backward Citations)
US1021082A
Cited
US1606588A
Cited
US1726267A
Cited
US2153392A
Cited
US2135400A
Cited
US2279942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |