US3718588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for reducing friction on conveyors with aqueous salts of phosphate esters
Assignee: Baker Petrolite LLC
•
Filing: 1968-05-13
•
Granted: 1973-02-27
•
Expires: 1988-05-13
Abstract
Abstract METHOD USING LUBRICANT COMPRISING WATER AND A SALT OF A PHOSPHATE ESTER ON CONVEYORS.
Inventors
- 👤 T Bellos
- 👤 F Mange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:09
CPC Classifications
C; C02; C02F; C02F9/00; C02F9/20; B; B65; B65G; B65G11/00; B65G11/20; B65G11/203; B65G15/00; B65G15/30; B65G15/32; C10; C10M; C10M173/00; C10M173/02; B65G2201/00; B65G2201/02; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10M2225/00; C10M2225/02; C10N; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |