US3244625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid film lubricant
Assignee: Elastic Stop Nut Corp
•
Filing: 1963-10-15
•
Granted: 1966-04-05
•
Expires: 1983-10-15
Abstract
No abstract record available.
Inventors
- 👤 Steven S Silwones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:13
CPC Classifications
C; C10; C10M; C10M103/00; C10M103/06; C10M7/00; Y; Y10; Y10S; Y10S411/00; Y10S411/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A SOLID FILM LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 50 MOLE PERCENT TO ABOUT 82 MOLE PERCENT OF MOLYBDENUM DISULFIDE AS THE PRINCIPAL LUBRICATING COMPOUND, FROM ABOUT 15 MOLE PERCENT TO ABOUT 45 MOLE PERCENT OF WATER SOLUBLE SILICATE SALTS AS THE PRINCIPAL FILM FORMING COMPOUND, FROM ABOUT 1.5 MOLE PERCENT TO ABOUT 4.5 MOLE PERCENT OF WATER SOLUBLE PHOSPHATE SALTS AS A FIRST ADHERING AGENT, AND FROM ABOUT 1.5 MOLE PERCENT TO ABOUT 4.5 PERCENT OF A SECOND ADHERING AGENT SELECTED FROM THE CLASS CONSISTING OF WATER SOLUBLE BORON OXIDE SALTS AND WATER SOLUBLE CHROMIUM OXIDE SALTS, THE CATIONS OF THE SALTS FOR SAID FILM FORMING COMPOUND AND SAID ADHERING AGENTS CONSISTING ESSENTIALLY OF SODIUM CATIONS WHEN SAID SECOND ADHERING AGENT IS SAID WATER SOLUBLE BORON OXIDE SALTS AND THE CATIONS OF THE SALTS FOR SAID FILM FORMING COMPOUND AND SAID ADHERING AGENTS CONSISTING ESSENTIALLY OF SODIUM CATION AND UP TO ABOUT 10 MOLE PERCENT POTASSIUM CATIONS WHEN SAID SECOND ADHERING AGENT IS SAID WATER SOLUBLE CHROMIUM OXIDE SALTS.
Claim 2
Dependent Claim
171 words
A SOLID FILM LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 50 MOLE PERCENT TO ABOUT 82 MOLE PERCENT OF MOLYBDENUM DISULFIDE AS THE PRINCIPAL LUBRICATING COMPOUND, FROM ABOUT 15 MOLE PERCENT TO ABOUT 45 MOLE PERCENT OF WATER SOLUBLE SILICATE SALTS AS THE PRINCIPAL FILM FORMING COMPOUND, FROM ABOUT 1.5 MOLE PERCENT TO ABOUT 4.5 MOLE PERCENT OF WATER SOLUBLE PHOSPHATE SALTS AS A FIRST ADHERING AGENT, AND FROM ABOUT 1.5 MOLE PERCENT TO ABOUT 4.5 PERCENT OF A SECOND ADHERING AGENT SELECTED FROM THE CLASS CONSISTING OF WATER SOLUBLE BORON OXIDE SALTS AND WATER SOLUBLE CHROMIUM OXIDE SALTS, THE CATIONS OF THE SALTS FOR SAID FILM FORMING COMPOUND AND SAID ADHERING AGENTS CONSISTING ESSENTIALLY OF SODIUM CATIONS WHEN SAID SECOND ADHERING AGENT IS SAID WATER SOLUBLE BORON OXIDE SALTS AND THE CATIONS OF THE SALTS FOR SAID FILM FORMING COMPOUND AND SAID ADHERING AGENTS CONSISTING ESSENTIALLY OF SODIUM CATION AND UP TO ABOUT 10 MOLE PERCENT POTASSIUM CATIONS WHEN SAID SECOND ADHERING AGENT IS SAID WATER SOLUBLE CHROMIUM OXIDE SALTS.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |