US3070130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe line repair with resilient bellows sleeve
Assignee: Dresser Industries Inc
•
Filing: 1958-10-30
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Granted: 1962-12-25
•
Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 Roger E Risley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:15
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/163; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49719
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US197245A
Cited
US1847676A
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US2014313A
Cited
US2315552A
Cited
GB686387A
Cited
US2784989A
Cited
US2862729A
Cited
US2865403A
Cited
US2977994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |