Patent US4205708A successfully refreshed from Google Patents.
US3526596A
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US
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Lubricants for metalworking operations
Assignee: Quaker Chemical Corp
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Filing: 1968-06-05
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Granted: 1970-09-01
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Expires: 1988-06-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Kress
- 👤 Donald E Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:07
CPC Classifications
C; C10; C10M; C10M105/00; C10M105/08; C10M105/32; C10M105/38; B; B21; B21B; B21B45/00; B21B45/02; B21B45/0239; B21B45/0242; B21C; B21C9/00; B21C9/02; C10M105/74; C10M107/00; C10M107/20; C10M107/30; C10M173/00; C10M173/02; C11; C11C; C11C3/00; C11C3/003; C11C3/02; C11C3/04; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/061; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2201/16; C10M2201/18; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/107; C10M2209/109; C10M2209/12; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2808421A
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US3048608A
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US3310489A
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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) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |