US2644700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube coupling
Assignee: Individual
•
Filing: 1948-02-05
•
Granted: 1953-07-07
•
Expires: 1968-02-05
Abstract
No abstract record available.
Inventors
- 👤 George V Woodling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:41
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/10; F16L19/12; Y; Y10; Y10T; Y10T403/00; Y10T403/49; Y10T403/4933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1876989A
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US2093386A
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US2208620A
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US2313780A
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US2396078A
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US2351363A
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US2405489A
Cited
US2434107A
Cited
US2423122A
Cited
US2452278A
Cited
US2472872A
Cited
US2477677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |