Patent US1856621A successfully refreshed from Google Patents.
Patent US3017204A successfully refreshed from Google Patents.
US3017204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split coupling
Assignee: Individual
•
Filing: 1959-01-12
•
Granted: 1962-01-16
•
Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:08
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/06; F16L55/00; F16L55/16; F16L55/168; F16L55/17; F16L55/172; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5721
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA532925A
Cited
US918858A
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US1369913A
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US1801157A
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US1568268A
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US1714803A
Cited
US1905324A
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US1940729A
Cited
US2286751A
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US2676037A
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US2567243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |