US3357670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way spring lock hook
Assignee: CHAS O LARSON Co
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Filing: 1966-07-06
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Granted: 1967-12-12
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Expires: 1986-07-06
Abstract
No abstract record available.
Inventors
- 👤 Charles O Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:02
CPC Classifications
B; B60; B60R; B60R9/00; B60R9/04; B60R9/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN A TIEDOWN ASSEMBLY, THE COMBINATION COMPRISING: BASE MEANS FOR ATTACHMENT TO A PRIMARY STRUCTURE; A LOAD TIEDOWN ENGAGING MEANS MOUNTED ON SAID BASE MEANS, SAID LOAD TIEDOWN ENGAGING MEANS BEING PIVOTABLE FROM A FIRST STORAGE POSITION ADJACENT TO SAID BASE MEANS TO A SECOND OPERATIONAL POSITION EXTENDING OUTWARDLY FROM SAID BASE MEANS; A FIRST RETAINING MEANS SUPPORTED BY SAID BASE MEANS FOR HOLDING SAID LOAD TIEDOWN ENGAGING MEANS IN SAID FIRST STORAGE POSITION; A SECOND RETAINING MEANS SUPPORTED BY SAID BASE MEANS FOR HOLDING SAID LOAD ENGAGING MEANS IN SAID SECOND OPERATIONAL POSITION; AND A SPRING MEANS SUPPORTED BY SAID BASE MEANS, SAID SPRING MEANS URGING SAID LOAD TIEDOWN ENGAGING MEANS INTO ENGAGEMENT WITH SAID FIRST RETAINING MEANS WHEN SAID LOAD TIEDOWN ENGAGING MEANS IS IN SAID FIRST STORAGE POSITION AND SAID SPRING MEANS URGING SAID LOAD TIEDOWN ENGAGING MEANS INTO ENGAGEMENT WITH SAID SECOND RETAINING MEANS WHEN SAID LOAD TIEDOWN ENGAGING MEANS IS IN SAID SECOND OPERATIONAL POSITION.
Claim 2
Dependent Claim
160 words
IN A TIEDOWN ASSEMBLY, THE COMBINATION COMPRISING: BASE MEANS FOR ATTACHMENT TO A PRIMARY STRUCTURE; A LOAD TIEDOWN ENGAGING MEANS MOUNTED ON SAID BASE MEANS, SAID LOAD TIEDOWN ENGAGING MEANS BEING PIVOTABLE FROM A FIRST STORAGE POSITION ADJACENT TO SAID BASE MEANS TO A SECOND OPERATIONAL POSITION EXTENDING OUTWARDLY FROM SAID BASE MEANS; A FIRST RETAINING MEANS SUPPORTED BY SAID BASE MEANS FOR HOLDING SAID LOAD TIEDOWN ENGAGING MEANS IN SAID FIRST STORAGE POSITION; A SECOND RETAINING MEANS SUPPORTED BY SAID BASE MEANS FOR HOLDING SAID LOAD ENGAGING MEANS IN SAID SECOND OPERATIONAL POSITION; AND A SPRING MEANS SUPPORTED BY SAID BASE MEANS, SAID SPRING MEANS URGING SAID LOAD TIEDOWN ENGAGING MEANS INTO ENGAGEMENT WITH SAID FIRST RETAINING MEANS WHEN SAID LOAD TIEDOWN ENGAGING MEANS IS IN SAID FIRST STORAGE POSITION AND SAID SPRING MEANS URGING SAID LOAD TIEDOWN ENGAGING MEANS INTO ENGAGEMENT WITH SAID SECOND RETAINING MEANS WHEN SAID LOAD TIEDOWN ENGAGING MEANS IS IN SAID SECOND OPERATIONAL 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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |