Patent US2545233A successfully refreshed from Google Patents.
US2545233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filling plug for oil tanks or the like
Assignee: Individual
•
Filing: 1946-12-19
•
Granted: 1951-03-13
•
Expires: 1966-12-19
Abstract
No abstract record available.
Inventors
- 👤 Kaufman Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:49
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292; Y10T137/86324; Y10T137/86332
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US753600A
Cited
US674849A
Cited
US987518A
Cited
US2018749A
Cited
US2202459A
Cited
US2208989A
Cited
US2353181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |