US2351363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for tubes
Assignee: Parker Appliance Co
•
Filing: 1942-08-20
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Granted: 1944-06-13
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Expires: 1962-08-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Parker
- 👤 John N Wolfram
- 👤 Margrave Wilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:13
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/10; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17504; Y10T279/17512; Y10T403/00; Y10T403/49; Y10T403/4958
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-06-13 | 1947-12-13 | 1948-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-13 | 1951-12-13 | 1952-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-13 | 1955-12-13 | 1956-06-13 | $7700.00 | Window Closed / Lapsed |