US3177564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricating self-lubricating articles
Assignee: Individual
•
Filing: 1963-03-25
•
Granted: 1965-04-13
•
Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Reynolds Jeffrey Alan
- 👤 Hall David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:23
CPC Classifications
F; F16; F16C; F16C33/00; B; B22; B22F; B22F7/00; B22F7/02; B22F7/04; C; C22; C22C; C22C32/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/121; F16C33/14; B22F2998/00; B22F2998/10; F16C2220/00; F16C2220/20; F16C2220/60; F16C2220/80; F16C2220/82; F16C2223/00; F16C2223/30; F16C2223/32; Y; Y10; Y10S; Y10S72/00; Y10S72/70; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE METHOD FOR THE MANUFACTURE OF SELF-LUBRICATING ATRICLES, COMPRISING INTIMATELY MIXING AT LEAST ONE METAL POWDER, COMPRISING MIXED GRAIN SIZES OF UP TO ABOUT 60 MICRONS, WITH A POEDERED SOLID LUBRICANT SELECTED FROM THE GROUP CONSISTING OF COLLODIAL GRAPHITE COLLOIDAL, MOLYBDENUM DISULPHIDE AND COLLOIDAL BORON NITRIDE, THE LUBRICANT OCCUPING 3% TO 50% OF THE TOLAT VOLUME OF THE MIXTURE, LOOSELY SPREADING THE POWDER MIXTURE IN A LAYER ON THE SURFACE OF A METAL BACKING STRIP, HEATING THE BACKING STRIP, WITH THE POWDER LAYER THEREON, IN AN ATMOSPHERE WHICH AVOIDS UNDERSIRABLE OXIDATION AND REACTION WITH THE POWDER, TO A SINTERING TEMPERATURE BELOW THE MELTING POINT OF THE PRINCIPAL METAL POWDER CONSTITUENT, ROLLING AND FURTHER HEATING THE STRIP WITH THE
Claim 2
Independent Claim
118 words
THE METHOD FOR THE MANUFACTURE OF SELF-LUBRICATING ATRICLES, COMPRISING INTIMATELY MIXING AT LEAST ONE METAL POWDER, COMPRISING MIXED GRAIN SIZES OF UP TO ABOUT 60 MICRONS, WITH A POEDERED SOLID LUBRICANT SELECTED FROM THE GROUP CONSISTING OF COLLODIAL GRAPHITE COLLOIDAL, MOLYBDENUM DISULPHIDE AND COLLOIDAL BORON NITRIDE, THE LUBRICANT OCCUPING 3% TO 50% OF THE TOLAT VOLUME OF THE MIXTURE, LOOSELY SPREADING THE POWDER MIXTURE IN A LAYER ON THE SURFACE OF A METAL BACKING STRIP, HEATING THE BACKING STRIP, WITH THE POWDER LAYER THEREON, IN AN ATMOSPHERE WHICH AVOIDS UNDERSIRABLE OXIDATION AND REACTION WITH THE POWDER, TO A SINTERING TEMPERATURE BELOW THE MELTING POINT OF THE PRINCIPAL METAL POWDER CONSTITUENT, ROLLING AND FURTHER HEATING THE STRIP WITH THE
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |