Patent US3071981A successfully refreshed from Google Patents.
US3071981A
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Roller for transmission chain and the method of producing said roller
Assignee: Compagnie des Transmissions Mecaniques Sedis
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Filing: 1960-05-25
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Granted: 1963-01-08
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Expires: 1980-05-25
Abstract
No abstract record available.
Inventors
- 👤 Kuntzmann Paul Louis Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:45
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/36; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/938; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12458; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
ROLLER OF FERROUS METAL FOR TRANSMISSION CHAIN, SAID ROLLER COMPRISING ON THE SURFACE A GRAINLESS HOMOGENEOUS LAYER CONSTITUTED BY AN AUSTENITIC SOLID SOLUTION OF AN ALLOY OF IRON AND AT LEAST ANOTHER ADDITION METAL, WHICH FORMS WITH IRON A HOMOGENEOUS ALLOY, WHEREBY IT IS CAPABLE OF RESISTING INTERGRANULAR FISSURATIONS AND CRACKS DUE TO REPEATED SHOCKS.
Claim 2
Dependent Claim
55 words
ROLLER OF FERROUS METAL FOR TRANSMISSION CHAIN, SAID ROLLER COMPRISING ON THE SURFACE A GRAINLESS HOMOGENEOUS LAYER CONSTITUTED BY AN AUSTENITIC SOLID SOLUTION OF AN ALLOY OF IRON AND AT LEAST ANOTHER ADDITION METAL, WHICH FORMS WITH IRON A HOMOGENEOUS ALLOY, WHEREBY IT IS CAPABLE OF RESISTING INTERGRANULAR FISSURATIONS AND CRACKS DUE TO REPEATED SHOCKS.
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |