US3136384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable ladder handrail
Assignee: Individual
•
Filing: 1962-07-23
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Granted: 1964-06-09
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Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Sweeney Alexander
- 👤 Meyer Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:40
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A DETACHABLE LADDER HANDRAIL FOR A STEP-LADDER COMPRISING A TUBULAR MEMBER HAVING A PAIR OF EQUAL LENGTH ARM PORTIONS, EACH ARM PORTION HAVING AN END AND A CENTRALLY DISPOSED OFF-SET PORTION, SAID OFF-SET PORTION BEING INTEGRAL WITH RESPECT TO SAID ARM PORTIONS, ONE ARM PORTION HAVING A FIRST PAIR OF BOLT RECEIVING OPENINGS ADJACENT ITS END AND A SECOND PAIR OF BOLT RECEIVING OPENINGS RELATIVELY DISTANT WITH RESPECT TO SAID CENTRALLY DISPOSED OFFSET PORTION, THE OTHER ARM PORTION HAVING A FIRST PAIR OF BOLT RECEIVING OPENINGS RELATIVELY DISTANT WITH RESPECT TO ITS END AND A SECOND PAIR OF BOLT RECEIVING OPENINGS ADJACENT SAID CENTRALLY DISPOSED OFF-SET PORTION, THE FIRST AND SECOND PAIRS OF BOLT RECEIVING OPENINGS OF EACH ARM PORTION BEING RESPECTIVELY EQUALLY SPACED, A PAIR OF HOOK-CONNECTORS INTERCHANGEABLY SECURABLE TO SAID BOLT RECEIVING OPENINGS, SAID PAIR OF HOOK-CONNECTORS BEING SECURED TO THE BOLT RECEIVING OPENINGS PROVIDED ON ONE OF SAID ARM PORTIONS, A PAIR OF SOCKET MEMBERS ATTACHED TO ONE SIDE OF SAID STEP LADDER, SAID HOOK-CONNECTORS BEING REMOVABLY RECEIVABLE WITH SAID SOCKET MEMBERS TO THUS REMOVABLY SECURE SAID TUBULAR MEMBER TO SAID STEP-LADDER.
Claim 2
Dependent Claim
185 words
A DETACHABLE LADDER HANDRAIL FOR A STEP-LADDER COMPRISING A TUBULAR MEMBER HAVING A PAIR OF EQUAL LENGTH ARM PORTIONS, EACH ARM PORTION HAVING AN END AND A CENTRALLY DISPOSED OFF-SET PORTION, SAID OFF-SET PORTION BEING INTEGRAL WITH RESPECT TO SAID ARM PORTIONS, ONE ARM PORTION HAVING A FIRST PAIR OF BOLT RECEIVING OPENINGS ADJACENT ITS END AND A SECOND PAIR OF BOLT RECEIVING OPENINGS RELATIVELY DISTANT WITH RESPECT TO SAID CENTRALLY DISPOSED OFFSET PORTION, THE OTHER ARM PORTION HAVING A FIRST PAIR OF BOLT RECEIVING OPENINGS RELATIVELY DISTANT WITH RESPECT TO ITS END AND A SECOND PAIR OF BOLT RECEIVING OPENINGS ADJACENT SAID CENTRALLY DISPOSED OFF-SET PORTION, THE FIRST AND SECOND PAIRS OF BOLT RECEIVING OPENINGS OF EACH ARM PORTION BEING RESPECTIVELY EQUALLY SPACED, A PAIR OF HOOK-CONNECTORS INTERCHANGEABLY SECURABLE TO SAID BOLT RECEIVING OPENINGS, SAID PAIR OF HOOK-CONNECTORS BEING SECURED TO THE BOLT RECEIVING OPENINGS PROVIDED ON ONE OF SAID ARM PORTIONS, A PAIR OF SOCKET MEMBERS ATTACHED TO ONE SIDE OF SAID STEP LADDER, SAID HOOK-CONNECTORS BEING REMOVABLY RECEIVABLE WITH SAID SOCKET MEMBERS TO THUS REMOVABLY SECURE SAID TUBULAR MEMBER TO SAID STEP-LADDER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |