US3606412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Form-locking connection of torque transmitting structural parts,especially in automatic motor vehicle transmissions
Assignee: Daimler Benz AG
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Filing: 1969-05-16
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Granted: 1971-09-20
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Expires: 1989-05-16
Abstract
Abstract A FORM-LOCKING CONNECTION BETWEEN A FIRST STRUCTURAL PART PROVIDED WITH EXTERNAL TEETH AND A SECOND STRUCTURAL PART, THE EXTERNAL TEETH OF THE FIRST STRUCTURAL PART ARE EXTENDED BEYOND ITS END FACE, AND THE SECOND STRUCTURAL PART IS PROVIDED WITH EXTERNAL TEETH ENGAGING INTO THE OVERHANGING PORTION OF THE EXTERNAL TEETH OF THE FIRST STRUCTURAL PART.
Inventors
- 👤 Josef Helmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:29
CPC Classifications
F; F16; F16D; F16D47/00; F16D47/04; F16D1/00; F16D1/06; F16D1/064; F16D1/072; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49936; Y10T403/00; Y10T403/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |