US3341175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring compression tool
Assignee: BRANICK INDUSTRIES Inc 2600 3RD AVE N FARGO ND 58107 A ND CORP
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Filing: 1965-09-30
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Granted: 1967-09-12
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Charles E Branick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:03
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/30; B25B27/302; B25B27/304; B60; B60G; B60G17/00; B60G17/02; B60G17/021; B60G2206/00; B60G2206/01; B60G2206/90; B60G2206/92; B60G2206/921; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552; Y10T29/53561; Y10T29/5357; Y10T29/53613; Y10T29/53622
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A DEVICE FOR SHORTENING A HELICAL SPRING FOR INSERTION BETWEEN AND REMOVAL FROM SPACED SPRING SEATS, SAID DEVICE COMPRISING SPACED MEANS FOR ENGAGING THE COILS OF THE SPRING AT POINTS REMOVED FROM THE END COILS AND HAVING MEANS COAXIAL WITH THE AXIS OF THE SPRING, SHORTER THAN THE SPRING WHEN THE SPRING IN UNDER MAXIMUM EXPECTED CONTRACTION AND COMPLETELY WITHIN THE COILS OF THE SPRING FOR MOVING THE SPACED MEANS TOWARD EACH OTHER ALONG A PATH PARALLEL TO THE AXIS OF THE SPRING, ONE OF SAID SPACED MEANS COMPRISING A BIFURCATED FORK, SAID FORK HAVING A CONCAVE UPPER SURFACE, SAID UPPER SURFACE INCLUDING A PLURALITY OF SPACED PROJECTIONS THEREON, SAID PROJECTIONS EXTENDING IN SUBSTANTIALLY PARALLEL RELATION WITH EACH OTHER.
Claim 2
Dependent Claim
120 words
IN A DEVICE FOR SHORTENING A HELICAL SPRING FOR INSERTION BETWEEN AND REMOVAL FROM SPACED SPRING SEATS, SAID DEVICE COMPRISING SPACED MEANS FOR ENGAGING THE COILS OF THE SPRING AT POINTS REMOVED FROM THE END COILS AND HAVING MEANS COAXIAL WITH THE AXIS OF THE SPRING, SHORTER THAN THE SPRING WHEN THE SPRING IN UNDER MAXIMUM EXPECTED CONTRACTION AND COMPLETELY WITHIN THE COILS OF THE SPRING FOR MOVING THE SPACED MEANS TOWARD EACH OTHER ALONG A PATH PARALLEL TO THE AXIS OF THE SPRING, ONE OF SAID SPACED MEANS COMPRISING A BIFURCATED FORK, SAID FORK HAVING A CONCAVE UPPER SURFACE, SAID UPPER SURFACE INCLUDING A PLURALITY OF SPACED PROJECTIONS THEREON, SAID PROJECTIONS EXTENDING IN SUBSTANTIALLY PARALLEL RELATION WITH EACH OTHER.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |