US3342457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guardrail assembly
Assignee: Stanley Works
•
Filing: 1965-02-01
•
Granted: 1967-09-19
•
Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Louis G Bobrowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:56
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; F; F16; F16B; F16B2200/00; F16B2200/67; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/344; Y10T403/345; Y10T403/70; Y10T403/7041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A GUARDRAIL ASSEMBLY HAVING A FRAME COMPRISING A PLURALITY OF ELONGATED BALUSTERS MOUNTED IN AN UPRIGHT POSITION ON A SUPPORT; AT LEAST ONE OF SAID BALUSTERS COMPRISING SEPARATE FIRST AND SECOND BALUSTER PORTIONS, A HOLLOW FITTING FOR THE BALUSTERS HAVING A PAIR OF ALIGNED UNIDIRECTIONAL CAVITIES FORMING A PASSAGE EXTENDING ENTIRELY THERETHROUGH AND AT LEAST ONE SIDE CAVITY ANGULARLY ORIENTED WITH RESPECT TO SAID ALIGNED CAVITIES, SAID FITTING SLIDABLY RECEIVING A PORTION OF THE BALUSTER WITHIN SAID SIDE CAVITY; AND AN ELONGATED RAIL OF SUBSTANTIALLY UNIFORM CROSS SECTION SLIDABLY RECEIVED WITHIN SAID PASSAGE AND EXTENDING OUTWARDLY THEREFROM WHEREBY THE RAIL RESTS ON AND IS SUPPORTED BY THE BALUSTER, SAID BALUSTER AND RAIL BEING FIXEDLY SECURED WITHIN SAID FITTING AGAINST RELATIVE MOVEMENT.
Claim 2
Dependent Claim
121 words
A GUARDRAIL ASSEMBLY HAVING A FRAME COMPRISING A PLURALITY OF ELONGATED BALUSTERS MOUNTED IN AN UPRIGHT POSITION ON A SUPPORT; AT LEAST ONE OF SAID BALUSTERS COMPRISING SEPARATE FIRST AND SECOND BALUSTER PORTIONS, A HOLLOW FITTING FOR THE BALUSTERS HAVING A PAIR OF ALIGNED UNIDIRECTIONAL CAVITIES FORMING A PASSAGE EXTENDING ENTIRELY THERETHROUGH AND AT LEAST ONE SIDE CAVITY ANGULARLY ORIENTED WITH RESPECT TO SAID ALIGNED CAVITIES, SAID FITTING SLIDABLY RECEIVING A PORTION OF THE BALUSTER WITHIN SAID SIDE CAVITY; AND AN ELONGATED RAIL OF SUBSTANTIALLY UNIFORM CROSS SECTION SLIDABLY RECEIVED WITHIN SAID PASSAGE AND EXTENDING OUTWARDLY THEREFROM WHEREBY THE RAIL RESTS ON AND IS SUPPORTED BY THE BALUSTER, SAID BALUSTER AND RAIL BEING FIXEDLY SECURED WITHIN SAID FITTING AGAINST RELATIVE MOVEMENT.
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |