US2776151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe fitting for connecting metal pipe to plastic pipe
Assignee: Continental Can Co Inc
•
Filing: 1952-08-19
•
Granted: 1957-01-01
•
Expires: 1972-08-19
Abstract
No abstract record available.
Inventors
- 👤 Robert J Harkenrider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:33
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/20; F16L47/24; Y; Y10; Y10S; Y10S285/00; Y10S285/915; Y10S285/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2270926A
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US2366067A
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US2492006A
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US2596020A
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US2703720A
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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) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |