Patent US8202A successfully refreshed from Google Patents.
Patent US2747713A successfully refreshed from Google Patents.
US2747713A
Expired / Lapsed
US
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Composition of material suitable for use in a coupling
Assignee: Motors Liquidation Co
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Filing: 1952-10-15
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Granted: 1956-05-29
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Expires: 1972-10-15
Abstract
No abstract record available.
Inventors
- 👤 James W Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:58
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/027; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AS A NEW ARTICLE OF MANUFACTURE, A FRICTION COUPLING INCLUDING, A DRIVNG MEMBER COMPOSED OF CAST IRON HAVING A MATRIX WITH A MAXIMUM OF 20% FERRITE, AND A DRIVEN MEMBER COMPOSED OF ALUMINUM BRONZE HAVING AT LEAST 84.5% COPPER.
Claim 2
Dependent Claim
39 words
AS A NEW ARTICLE OF MANUFACTURE, A FRICTION COUPLING INCLUDING, A DRIVNG MEMBER COMPOSED OF CAST IRON HAVING A MATRIX WITH A MAXIMUM OF 20% FERRITE, AND A DRIVEN MEMBER COMPOSED OF ALUMINUM BRONZE HAVING AT LEAST 84.5% COPPER.
References Cited (Backward Citations)
GB190504978A
Cited
US1625777A
Cited
US1820711A
Cited
US1902576A
Cited
US1900804A
Cited
US2089080A
Cited
US2122405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |