Patent US3004780A successfully refreshed from Google Patents.
US3004780A
Expired / Lapsed
US
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Teflon hose fitting
Assignee: Crane Packing Co
•
Filing: 1956-11-26
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Granted: 1961-10-17
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Expires: 1976-11-26
Abstract
No abstract record available.
Inventors
- 👤 Merrill M Main
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:18
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/20; F16L33/207; F16L47/00; F16L47/14; Y; Y10; Y10S; Y10S285/00; Y10S285/909
Claims Analysis
Total Claims: 0
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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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |