US3296512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled braking system for load lifting apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1963-10-23
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Granted: 1967-01-03
•
Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Richard L Meyer
- 👤 Frango Albert A Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:56
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C13/22; B66C13/23; B66C13/26; B66C2700/00; B66C2700/08; B66C2700/081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22923E
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US2460234A
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US2384864A
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US2597141A
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US2774023A
Cited
US3029372A
Cited
US3105181A
Cited
US3183423A
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US3218536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |