Patent US6179827B1 successfully refreshed from Google Patents.
US3188795A
Expired / Lapsed
US
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Jack chain
Assignee: Universal Tool and Stamping Co Inc
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Filing: 1964-01-23
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Granted: 1965-06-15
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Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Russell K Ulm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:53
CPC Classifications
B; B66; B66F; B66F1/00; B66F1/02; B66F1/04; B66F1/06; B66C; B66C1/00; B66C1/10; B66C1/12; B66C1/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AS AN ARTICLE OF MANUFACTURE A VEHICLE LIFTING CHAIN COMPRISING A PLURALITY OF PIVOTALLY CONNECTED LINKS EACH HAVING A PAIR OF SPACED SIDE WALLS AND BRIDGING WALL CONNECTED TO THE OUTER MARGINS OF THE SIDE WALLS AT THE FRONT PART OF THE CHAIN, SAID SIDE WALLS BEING APERTURED AT EACH END, AND PINS EXTENDING THROUGH SAID APERTURES CROSSWISE OF THE LENGTH OF THE CHAIN AND PIVOTALLY CONNECTING THE LINKS TOGETHER, SAID SIDE WALLS OF EACH LINK BEING RELATIVELY DIVERGENT FROM END TO END TO SUCH A
Claim 2
Dependent Claim
86 words
AS AN ARTICLE OF MANUFACTURE A VEHICLE LIFTING CHAIN COMPRISING A PLURALITY OF PIVOTALLY CONNECTED LINKS EACH HAVING A PAIR OF SPACED SIDE WALLS AND BRIDGING WALL CONNECTED TO THE OUTER MARGINS OF THE SIDE WALLS AT THE FRONT PART OF THE CHAIN, SAID SIDE WALLS BEING APERTURED AT EACH END, AND PINS EXTENDING THROUGH SAID APERTURES CROSSWISE OF THE LENGTH OF THE CHAIN AND PIVOTALLY CONNECTING THE LINKS TOGETHER, SAID SIDE WALLS OF EACH LINK BEING RELATIVELY DIVERGENT FROM END TO END TO SUCH A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |