US3248134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced welded joint
Assignee: Reynolds Metals Co
•
Filing: 1963-02-25
•
Granted: 1966-04-26
•
Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Louis E Pennington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:28
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/02; F16L13/0254
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1515355A
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US1835236A
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US1679499A
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GB287005A
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US2037962A
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US2062886A
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GB496293A
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US2308307A
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US2391747A
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US2711912A
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US2623148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |