Patent US1752247A successfully refreshed from Google Patents.
Patent US3055554A successfully refreshed from Google Patents.
US3055554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for measuring and mixing lubricating oil with gasoline
Assignee: Individual
•
Filing: 1958-06-09
•
Granted: 1962-09-25
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Donald F Wight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:57
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/316; B01F25/312
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1602722A
Cited
US1946473A
Cited
US2109832A
Cited
US2665646A
Cited
FR1054703A
Cited
US2796196A
Cited
US2829800A
Cited
US2878969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |