Patent US2758747A successfully refreshed from Google Patents.
US2758747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple compartment tank
Assignee: Standard Oil Co
•
Filing: 1953-04-22
•
Granted: 1956-08-14
•
Expires: 1973-04-22
Abstract
No abstract record available.
Inventors
- 👤 Donald G Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:09
CPC Classifications
B; B61; B61D; B61D5/00; B61D5/02; B60; B60P; B60P3/00; B60P3/22; B60P3/24; B60P3/246; B65; B65D; B65D88/00; B65D88/54; B65D88/58; B65D88/60; B65D88/62
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2316116A
Cited
FR932322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |