Patent US6245020B1 successfully refreshed from Google Patents.
US3479066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling
Assignee: Individual
•
Filing: 1967-07-03
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Granted: 1969-11-18
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Expires: 1987-07-03
Abstract
No abstract record available.
Inventors
- 👤 Morris Gittleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:29
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/06; F16L21/002; F16L21/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881022A
Cited
US1976797A
Cited
US2041132A
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US2165920A
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US2417741A
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GB794580A
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US3006663A
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US3199899A
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US3233922A
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US3153550A
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US3376055A
Cited
US3329446A
Cited
US3341232A
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 |