US3499343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-step reduction gear transmission
Assignee: Lohmann and Stolterfoht GmbH
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Filing: 1968-02-01
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Granted: 1970-03-10
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Expires: 1988-02-01
Abstract
No abstract record available.
Inventors
- 👤 Walter Burkhardt
- 👤 Klaus Hansgen
- 👤 Gerhard Bidder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:08
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/20; F16H1/22; F16D; F16D3/00; F16D3/50; F16D3/72; F16D3/74; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/19633
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) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |