Patent US2496510A successfully refreshed from Google Patents.
US2496510A
Expired / Lapsed
US
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Tube coupling
Assignee: Parker Appliance Co
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Filing: 1946-06-29
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Granted: 1950-02-07
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Expires: 1966-06-29
Abstract
No abstract record available.
Inventors
- 👤 John N Wolfram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:21
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/04; F16L19/043; F16L19/045; B; B43; B43M; B43M99/00; B43M99/001; B43M99/002; B43M99/003; F16L19/08; F16L19/10
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) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |