Patent US6350229B1 successfully refreshed from Google Patents.
US2867463A
Expired / Lapsed
US
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Packing members for pipe joints and the like
Assignee: AMERICAN COUPLER Co
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Filing: 1955-03-21
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Granted: 1959-01-06
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Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Snider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:57
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/0212; F16L19/0218; F16L25/00; F16L25/02; F16L25/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |