Patent US3540466A successfully refreshed from Google Patents.
US3540466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety coupling for connecting a container to a liquid dispensing apparatus
Assignee: Individual
•
Filing: 1969-02-25
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Granted: 1970-11-17
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Expires: 1989-02-25
Abstract
No abstract record available.
Inventors
- 👤 Iwan Ilieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:40
CPC Classifications
B; B67; B67D; B67D3/00; B67D3/04; B67D3/045; G; G01; G01F; G01F11/00; G01F11/28; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6154
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |