US3279759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tightener for load ties
Assignee: Individual
•
Filing: 1964-04-27
•
Granted: 1966-10-18
•
Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Tallman Erven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:08
CPC Classifications
B; B60; B60P; B60P7/00; B60P7/06; B60P7/08; B60P7/0823; B60P7/083; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2175
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A DEVICE FOR TAKING UP SLACK AND MAINTAINING TENSION IN A LINE COMPRISING A TUBULAR CASING HAVING AN INTERIOR WALL, A BUSHING AT ONE END OF THE CASING HAVING A CENTRAL OPENING, A PLUNGER IN SAID CASING HAVING ONE END EXTENDING SLIDABLY OUTWARDLY THROUGH SAID BUSHING AND A LINE ENGAGING MEANS ON SAID END, AND CIRCUMFERENTIALLY EXTENDING OUTWARDLY FACING OBSTRUCTION MEANS ON SAID PLUNGER INTERMEDIATE SAID ENDS, A SPRING KEEPER FIXED TO THE INTERIOR WALL AT A LOCATION SPACED AXIALLY INWARDLY FROM SAID BUSHING AND SPRING MEANS ACTING BETWEEN SAID KEEPER AND SAID PLUNGER BIASED IN A DIRECTION URGING SAID PLUNGER INTO SAID CASING, LINE ENGAGING MEANS ON THE END OF SAID CASING REMOTE FROM SAID BUSHING, AND RELEASABLE MEANS ADJUSTABLY SECURING SAID PLUNGER IN SAID CASING COMPRISING AN AXIALLY INWARDLY EXTENDING FULCRUM ELEMENT LOCATED BETWEEN SAID BUSHING AND SAID KEEPER ON ONE SIDE OF SAID
Claim 2
Independent Claim
146 words
A DEVICE FOR TAKING UP SLACK AND MAINTAINING TENSION IN A LINE COMPRISING A TUBULAR CASING HAVING AN INTERIOR WALL, A BUSHING AT ONE END OF THE CASING HAVING A CENTRAL OPENING, A PLUNGER IN SAID CASING HAVING ONE END EXTENDING SLIDABLY OUTWARDLY THROUGH SAID BUSHING AND A LINE ENGAGING MEANS ON SAID END, AND CIRCUMFERENTIALLY EXTENDING OUTWARDLY FACING OBSTRUCTION MEANS ON SAID PLUNGER INTERMEDIATE SAID ENDS, A SPRING KEEPER FIXED TO THE INTERIOR WALL AT A LOCATION SPACED AXIALLY INWARDLY FROM SAID BUSHING AND SPRING MEANS ACTING BETWEEN SAID KEEPER AND SAID PLUNGER BIASED IN A DIRECTION URGING SAID PLUNGER INTO SAID CASING, LINE ENGAGING MEANS ON THE END OF SAID CASING REMOTE FROM SAID BUSHING, AND RELEASABLE MEANS ADJUSTABLY SECURING SAID PLUNGER IN SAID CASING COMPRISING AN AXIALLY INWARDLY EXTENDING FULCRUM ELEMENT LOCATED BETWEEN SAID BUSHING AND SAID KEEPER ON ONE SIDE OF SAID
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |