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US3381986A
Expired / Lapsed
US
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Frictionless coupling
Assignee: Bendix Corp
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Filing: 1966-02-23
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Granted: 1968-05-07
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Expires: 1986-02-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Seelig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:16
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/005; F16C; F16C11/00; F16C11/04; F16C11/12; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/34; Y10T403/349; Y10T403/45; Y10T403/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |