US3498645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe joints with limited extensibility
Assignee: Madison Management Group Inc
•
Filing: 1968-07-12
•
Granted: 1970-03-03
•
Expires: 1988-07-12
Abstract
No abstract record available.
Inventors
- 👤 Casimir K Kowalewski
- 👤 Nicholas S Danko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:30
CPC Classifications
F; F16; F16L; F16L25/00; F16L25/0027; F16L27/00; F16L27/12; F16L27/127; F16L27/1275; Y; Y10; Y10T; Y10T403/00; Y10T403/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US443934A
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US1117961A
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US1126386A
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US1533875A
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US2090008A
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US2470818A
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US2521127A
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US3212797A
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US3177019A
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US3222075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |