US3402946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threadless pipe connection system
Assignee: Individual
•
Filing: 1966-10-03
•
Granted: 1968-09-24
•
Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Dedian Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:28
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/002; F16L21/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2776153A
Cited
FR1150947A
Cited
US3061339A
Cited
GB933560A
Cited
US3233922A
Cited
US3378282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |