US2913261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube couplings
Assignee: Individual
•
Filing: 1957-07-16
•
Granted: 1959-11-17
•
Expires: 1977-07-16
Abstract
No abstract record available.
Inventors
- 👤 John C Matchett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:42
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/088; F16L37/0885; Y; Y10; Y10S; Y10S285/00; Y10S285/913; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32861; Y10T403/32877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US279086A
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US435800A
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US2018455A
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FR1063620A
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FR1088168A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |