US3508658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning and drying gasoline
Assignee: Sunoco Inc
•
Filing: 1968-03-25
•
Granted: 1970-04-28
•
Expires: 1988-03-25
Abstract
No abstract record available.
Inventors
- 👤 Donald R Mcvay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:50
CPC Classifications
B; B01; B01D; B01D36/00; B01D36/003; B01D36/005; B01D17/00; B01D17/02; B01D17/0208; B01D17/04; B01D17/045; B01D17/048; B01D24/00; B01D24/02; B01D24/04; B01D24/08; B01D29/00; B01D29/11; B01D29/31; B01D29/35; B01D35/00; B01D35/18; B01D35/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3187895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |