US3479061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partially balanced flexible pipe joint
Assignee: ARTHUR L SMOOKLER
•
Filing: 1966-09-23
•
Granted: 1969-11-18
•
Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Smookler
- 👤 Floyd E Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:30
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/02; F16L27/04; F16L27/053; F16L27/06; F16L27/073
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE382671C
Cited
GB520715A
Cited
US2421691A
Cited
US2810592A
Cited
US2907593A
Cited
DE1015649B
Cited
US3165339A
Cited
US3186740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |