US3145101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound materials and methods of producting the same
Assignee: Individual
•
Filing: 1961-03-30
•
Granted: 1964-08-18
•
Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Franssen Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:40
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; B; B22; B22F; B22F3/00; B22F3/24; B22F3/26; F16C2220/00; F16C2220/20; F16C2220/40; F16C2220/44; F16C2220/46; F16C2220/60; F16C2220/80; F16C2220/82; F16C2223/00; F16C2223/30; F16C2223/32; F16C2226/00; F16C2226/30; F16C2226/32; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12007; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF PRODUCING A BEARING COMPRISING SHAPING INTO A MOULDED PART ON A STILL BASE A POWDER OF AT LEAST ONE SUBSTANCE HAVING A HIGHER MELTING POINT THAN TIN OXIDE SELECTED FROM THE GROUP CONSISTING OF METALS AND METAL ALLOYS IN ADMIXTURE WITH TIN OXIDE, SUBJECTING SUCH MOULDED PART IN THE PRESENCE OF A PROTECTIVE GAS CONTAINING HYDROGEN TO A TEMPERATURE SUFFICIENT TO REDUCE THE TIN OXIDE, WHEREBY TO SOLDER THE PARTICLES OF SUCH SUBSTANCE TO ONE ANOTHER AND TO LEAVE RESIDUAL PORE SPACES THEREBETWEEN, AND INTRODUCING POLOXYMETHYLENE INTO SAID PORE SPACES.
Claim 2
Independent Claim
93 words
A METHOD OF PRODUCING A BEARING COMPRISING SHAPING INTO A MOULDED PART ON A STILL BASE A POWDER OF AT LEAST ONE SUBSTANCE HAVING A HIGHER MELTING POINT THAN TIN OXIDE SELECTED FROM THE GROUP CONSISTING OF METALS AND METAL ALLOYS IN ADMIXTURE WITH TIN OXIDE, SUBJECTING SUCH MOULDED PART IN THE PRESENCE OF A PROTECTIVE GAS CONTAINING HYDROGEN TO A TEMPERATURE SUFFICIENT TO REDUCE THE TIN OXIDE, WHEREBY TO SOLDER THE PARTICLES OF SUCH SUBSTANCE TO ONE ANOTHER AND TO LEAVE RESIDUAL PORE SPACES THEREBETWEEN, AND INTRODUCING POLOXYMETHYLENE INTO SAID PORE SPACES.
References Cited (Backward Citations)
US2133761A
Cited
US2251410A
Cited
US2273589A
Cited
US2397831A
Cited
US2689380A
Cited
GB726127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |