Patent US3105667A successfully refreshed from Google Patents.
US3105667A
Expired / Lapsed
US
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Ladder clamp
Assignee: Belleville Sheet Metal Works Inc
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Filing: 1960-11-16
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Granted: 1963-10-01
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Expires: 1980-11-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:55
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/50; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A LADDER CLAMP FOR SECUREMENT BETWEEN LADDER STEPS AND SIDES AND SUPPORT ELEMENTS FOR RETAINING SAID LADDER IN POSITION ON SAID SUPPORT ELEMENT, SAID LADDER CLAMP COMPRISING AN ELONGATED BODY, A FIRST HOOK MEMBER SECURED TO SAID BODY, PROJECTING LATERALLY FROM ONE SIDE OF SAID BODY AND OPENING TOWARD ONE END OF SAID BODY, A SECOND HOOK, MEANS MOVABLY MOUNTING SAID SECOND HOOK ON SAID BODY FOR MOVEMENT TOWARD AND AWAY FROM SAID FIRST HOOK, SAID SECOND HOOK PROJECTING LATERALLY FROM SAID BODY AND OPENING TOWARD THE OTHER END OF SAID BODY AND FIRST HOOK, AND MEANS RESILIENTLY URGING SAID SECOND HOOK TOWARD SAID OTHER END OF SAID BODY, SAID BODY BEING HOLLOW INCLUDING AN APERTURED END WALL ON SAID ONE END THEREOF, A SLIDE MEMBER SLIDABLY DISPOSED THROUGH SAID END WALL, ABUTMENT MEANS CARRIED BY THE END OF SAID SLIDE MEMBER DISPOSED IN SAID BODY, SAID RESILEINT MEANS COMPRISING A COMPRESSION SPRING DISPOSED BETWEEN SAID ABUTMENT MEANS AND SAID END WALL, SAID
Claim 2
Dependent Claim
163 words
A LADDER CLAMP FOR SECUREMENT BETWEEN LADDER STEPS AND SIDES AND SUPPORT ELEMENTS FOR RETAINING SAID LADDER IN POSITION ON SAID SUPPORT ELEMENT, SAID LADDER CLAMP COMPRISING AN ELONGATED BODY, A FIRST HOOK MEMBER SECURED TO SAID BODY, PROJECTING LATERALLY FROM ONE SIDE OF SAID BODY AND OPENING TOWARD ONE END OF SAID BODY, A SECOND HOOK, MEANS MOVABLY MOUNTING SAID SECOND HOOK ON SAID BODY FOR MOVEMENT TOWARD AND AWAY FROM SAID FIRST HOOK, SAID SECOND HOOK PROJECTING LATERALLY FROM SAID BODY AND OPENING TOWARD THE OTHER END OF SAID BODY AND FIRST HOOK, AND MEANS RESILIENTLY URGING SAID SECOND HOOK TOWARD SAID OTHER END OF SAID BODY, SAID BODY BEING HOLLOW INCLUDING AN APERTURED END WALL ON SAID ONE END THEREOF, A SLIDE MEMBER SLIDABLY DISPOSED THROUGH SAID END WALL, ABUTMENT MEANS CARRIED BY THE END OF SAID SLIDE MEMBER DISPOSED IN SAID BODY, SAID RESILEINT MEANS COMPRISING A COMPRESSION SPRING DISPOSED BETWEEN SAID ABUTMENT MEANS AND SAID END WALL, SAID
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |