US2534803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission fluids
Assignee: Whitnash PLC
•
Filing: 1947-04-22
•
Granted: 1950-12-19
•
Expires: 1967-04-22
Abstract
No abstract record available.
Inventors
- 👤 Smith William Percival
- 👤 Wilks Howard John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:46
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/04; C10M2207/046; C10M2207/28; C10M2207/287; C10M2207/40; C10M2207/402; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/108; C10M2209/109; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A FLUID FOR TRANSACTION OF POWER CONSISTING OF 30 VOLUMES OF THE RICINOLEIC ACID ESTER OF THE MONOETHYLETHER OF ETHYLENE GLYCOL, AND 70 VOLUMES OF THE MONOETHYL ETHER OF ETHYLENE GLYCOL.
Claim 2
Dependent Claim
31 words
A FLUID FOR TRANSACTION OF POWER CONSISTING OF 30 VOLUMES OF THE RICINOLEIC ACID ESTER OF THE MONOETHYLETHER OF ETHYLENE GLYCOL, AND 70 VOLUMES OF THE MONOETHYL ETHER OF ETHYLENE GLYCOL.
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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |