US3714787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy absorbing device for the connections of a segmented drive core
Assignee: Contech Engineered Solutions LLC
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Filing: 1971-05-03
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Granted: 1973-02-06
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Expires: 1991-05-03
Abstract
Abstract AN ENERGY ABSORBING DEVICE FOR THE CONNECTION OF A SEGMENTED DRIVE CORE TO DECELERATE EACH LOWER SEGMENT BY ABSORING THE DRIVE CORE INERTIA AND DOWNWARD MOMENTUM OF SUCH LOWER SEGMENTS.
Inventors
- 👤 W Clements
- 👤 W Bootz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:43
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/28; E02D7/30
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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |