US3034319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-efficiency fluid transfer line coupling
Assignee: Individual
•
Filing: 1960-06-29
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Granted: 1962-05-15
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Expires: 1980-06-29
Abstract
No abstract record available.
Inventors
- 👤 Dudley B Chelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:51
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; F16L59/16; F16L59/18; F16L59/181; F16L39/00; F16L39/005; F16L59/06; F16L59/065; Y; Y10; Y10S; Y10S285/00; Y10S285/904; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |