US3510107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple hoist synchronization system
Assignee: RTX Corp
•
Filing: 1968-01-11
•
Granted: 1970-05-05
•
Expires: 1988-01-11
Abstract
No abstract record available.
Inventors
- 👤 Ridley Fidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:01
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C13/22; B66C13/23; B64; B64D; B64D1/00; B64D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2957582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |