US3421652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid tight joint
Assignee: Research and Development Pty Ltd
•
Filing: 1964-08-03
•
Granted: 1969-01-14
•
Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Charles H Warman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:24
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/04; F16L23/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49826; Y10T29/49893; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2269664A
Cited
US2330864A
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FR996675A
Cited
US2548934A
Cited
US2628596A
Cited
US2661965A
Cited
GB886133A
Cited
US3099060A
Cited
US3077360A
Cited
US3010172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |