US3131928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixture holder
Assignee: Individual
•
Filing: 1962-06-20
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Granted: 1964-05-05
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Walter L Whipple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:33
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; B; B25; B25H; B25H1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SUPPORT FOR FIXTURES COMPRISED OF A FIRST TUBULAR MEMBER, MEANS FOR SECURING SAID TUBULAR MEMBER TO THE UPPER STEP OF A STEP LADDER, A SLEEVE TELESCOPICALLY MOUNTED IN SAID TUBULAR MEMBER, A FIXTURE HOLDING ROD EXTENDING UPWARDLY FROM SAID SLEEVE, A SPRING IN SAID SLEEVE BIASING SAID ROD UPWARDLY, A FIRST LUG CONNECTED TO SAID SLEEVE, A SECOND LUG CONNECTED TO SAID TUBULAR MEMBER, A HANDLE HAVING AN OFFSET PORTION PIVOTALLY CONNECTED TO SAID FIRST LUG, AND A LINK PIVOTED AT ONE END TO SAID OFFSET PORTION OF SAID HANDLE AND AT ITS OTHER END TO SAID SECOND LUG WHEREBY MOVEMENT OF SAID HANDLE DOWNWARDLY EXTENDS SAID SLEEVE RELATIVE TO SAID TUBULAR MEMBER AND BY AN OVER-CENTER ACTION HOLDS SAID SLEEVE AND HENCE SAID ROD IN EXTENDED POSITION.
Claim 2
Dependent Claim
129 words
A SUPPORT FOR FIXTURES COMPRISED OF A FIRST TUBULAR MEMBER, MEANS FOR SECURING SAID TUBULAR MEMBER TO THE UPPER STEP OF A STEP LADDER, A SLEEVE TELESCOPICALLY MOUNTED IN SAID TUBULAR MEMBER, A FIXTURE HOLDING ROD EXTENDING UPWARDLY FROM SAID SLEEVE, A SPRING IN SAID SLEEVE BIASING SAID ROD UPWARDLY, A FIRST LUG CONNECTED TO SAID SLEEVE, A SECOND LUG CONNECTED TO SAID TUBULAR MEMBER, A HANDLE HAVING AN OFFSET PORTION PIVOTALLY CONNECTED TO SAID FIRST LUG, AND A LINK PIVOTED AT ONE END TO SAID OFFSET PORTION OF SAID HANDLE AND AT ITS OTHER END TO SAID SECOND LUG WHEREBY MOVEMENT OF SAID HANDLE DOWNWARDLY EXTENDS SAID SLEEVE RELATIVE TO SAID TUBULAR MEMBER AND BY AN OVER-CENTER ACTION HOLDS SAID SLEEVE AND HENCE SAID ROD IN EXTENDED POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |