US2733050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reservoir for congealable liquids
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:11
CPC Classifications
F; F01; F01M; F01M5/00; F01M5/005; F01M5/007; B; B64; B64D; B64D37/00; B64D37/34; F01M5/001; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2668
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A STORAGE TANK FOR USE IN AN ENGINE LUBRICANT CIRCULATING SYSTEM, INCLUDING AN OUTER TANK SHELL HOLDING THE MAIN BODY OF STORED LUBRICANT, A HOPPER IN SAID TANK SHELL SPACED FROM SIDE WALLS OF SAID SHELL THROUGH WHICH A PART OF THE LUBRICANT IN THE SYSTEM MAY BE CIRCULATED IN SEGREGATED RELATION TO THE MAIN BODY THEREOF, SEPARATE INLET OPENINGS IN SAID TANK FOR FLOW TO THE INTERIOR OF THE TANK AND TO SAID HOPPER, AND CONDUIT MEANS EXTENDING FROM ONE OF SAID INLET OPENINGS TO SAID HOPPER, INCLUDING AN ANNULUS IN SURROUNDING RELATION TO SAID HOPPER OVER SUBSTANTIALLY THE FULL LENGTH THEREOF.
Claim 2
Dependent Claim
103 words
A STORAGE TANK FOR USE IN AN ENGINE LUBRICANT CIRCULATING SYSTEM, INCLUDING AN OUTER TANK SHELL HOLDING THE MAIN BODY OF STORED LUBRICANT, A HOPPER IN SAID TANK SHELL SPACED FROM SIDE WALLS OF SAID SHELL THROUGH WHICH A PART OF THE LUBRICANT IN THE SYSTEM MAY BE CIRCULATED IN SEGREGATED RELATION TO THE MAIN BODY THEREOF, SEPARATE INLET OPENINGS IN SAID TANK FOR FLOW TO THE INTERIOR OF THE TANK AND TO SAID HOPPER, AND CONDUIT MEANS EXTENDING FROM ONE OF SAID INLET OPENINGS TO SAID HOPPER, INCLUDING AN ANNULUS IN SURROUNDING RELATION TO SAID HOPPER OVER SUBSTANTIALLY THE FULL LENGTH THEREOF.
References Cited (Backward Citations)
US308197A
Cited
GB190307519A
Cited
US2215729A
Cited
US2584877A
Cited
US2435359A
Cited
US2586671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |