Patent US3399370A successfully refreshed from Google Patents.
US3399370A
Expired / Lapsed
US
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Assignee: Boeing Co
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Filing: 1966-12-30
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Granted: 1968-08-27
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Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 John C Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:32
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3224; Y; Y10; Y10S; Y10S277/00; Y10S277/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |