US3473639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission with electromagnetic brake and clutches
Assignee: QUICK ROTAN BECKER AND CO
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Filing: 1968-05-03
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Granted: 1969-10-21
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Expires: 1988-05-03
Abstract
No abstract record available.
Inventors
- 👤 Ernst Becker
- 👤 Rudolf Kling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:42
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/06; F16D27/00; F16D27/12; F16D48/00; F16D48/06; F16D48/064; H; H02; H02K; H02K7/00; H02K7/10; H02K7/108; H02K7/1085; H02K7/112; H02K7/1125; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/104; F16D2500/10443; F16D2500/1045; F16D2500/30; F16D2500/302; F16D2500/3026; F16D2500/70; F16D2500/704; F16D2500/70422; F16D2500/70438; F16D2500/70442; F16D2500/71; F16D2500/7107; F16D2500/7109; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19019; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19488
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |