Patent US2937889A successfully refreshed from Google Patents.
US2937889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lateral insertion waste pipe connector having an oval hub
Assignee: Individual
•
Filing: 1957-12-10
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Granted: 1960-05-24
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Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Palmese Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:44
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US655033A
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US758985A
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US910885A
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Cited
US1492322A
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US1562142A
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US2535186A
Cited
US2661966A
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US2823049A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |