US3524665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupling
Assignee: BBC Brown Boveri AG Germany
•
Filing: 1968-01-02
•
Granted: 1970-08-18
•
Expires: 1988-01-02
Abstract
No abstract record available.
Inventors
- 👤 Alfred Hohn
- 👤 Max Zimmermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:55
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/004; F16D; F16D1/00; F16D1/02; F16D1/033; Y; Y10; Y10T; Y10T403/00; Y10T403/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE44334C
Cited
US750565A
Cited
DE372153C
Cited
US1772174A
Cited
US1910563A
Cited
GB631543A
Cited
US2984899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |