Patent US2873985A successfully refreshed from Google Patents.
US2873985A
Expired / Lapsed
US
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Tube coupling including a pushed deformable tube cutting wedge
Assignee: Weatherhead Co
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Filing: 1953-09-22
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Granted: 1959-02-17
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Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jr John D Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:49
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/10; Y; Y10; Y10T; Y10T403/00; Y10T403/49; Y10T403/4933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1889778A
Cited
US1927464A
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US2211856A
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US2201404A
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US2394351A
Cited
GB564182A
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US2536745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |