Patent US3405539A successfully refreshed from Google Patents.
US3405539A
Expired / Lapsed
US
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Flexible rotary joint
Assignee: Motors Liquidation Co
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Filing: 1966-06-13
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Granted: 1968-10-15
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Expires: 1986-06-13
Abstract
No abstract record available.
Inventors
- 👤 Tanaka Akira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:40
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/005; F16C; F16C11/00; F16C11/04; F16C11/12; Y; Y10; Y10S; Y10S464/00; Y10S464/902; Y10S464/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2643528A
Cited
US2591769A
Cited
US2860495A
Cited
US2966049A
Cited
GB1002800A
Cited
US3332255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |