US3480043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency leak clamp
Assignee: Individual
•
Filing: 1967-01-12
•
Granted: 1969-11-25
•
Expires: 1987-01-12
Abstract
No abstract record available.
Inventors
- 👤 Ward M Proudfoot
- 👤 Burnie M Craig
- 👤 Albert D Viancour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:10
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/10; F16L55/00; F16L55/16; F16L55/168; F16L55/17; F16L55/1715
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US141536A
Cited
US2002577A
Cited
US3023995A
Cited
US3033594A
Cited
US3253854A
Cited
FR1461769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |