US3465767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for liquid transfer
Assignee: Innospec France SA
•
Filing: 1967-04-20
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Granted: 1969-09-09
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Expires: 1987-04-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Peres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:11
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/32; B67D7/3209; B01; B01J; B01J4/00; B01J4/008; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/2931; Y10T137/3109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2487863A
Cited
US2791964A
Cited
US2856950A
Cited
US3106071A
Cited
US3211171A
Cited
US3307331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |