Patent US3486771A successfully refreshed from Google Patents.
US3486771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector fitting
Assignee: TECH AERO Inc
•
Filing: 1968-09-30
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Granted: 1969-12-30
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Expires: 1988-09-30
Abstract
No abstract record available.
Inventors
- 👤 William P Conlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:20
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/06; F16L19/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529146A
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US531245A
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US1497398A
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US2342425A
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US2349170A
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US2413878A
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US2540368A
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US2777714A
Cited
US2988385A
Cited
US3416818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |