Patent US2423655A successfully refreshed from Google Patents.
US2423655A
Expired / Lapsed
US
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Pipe coupling or joint
Assignee: Individual
•
Filing: 1944-06-05
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Granted: 1947-07-08
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Expires: 1964-06-05
Abstract
No abstract record available.
Inventors
- 👤 Mars Albert
- 👤 Michael M Mars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:21
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/06; F16L19/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US610321A
Cited
US811908A
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US1327106A
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US1369301A
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US1359142A
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US1489065A
Cited
US1468639A
Cited
US1904866A
Cited
US1925533A
Cited
US2158757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |