US2933157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlled sliding on a rope
Assignee: Eastern Rotorcraft Corp
•
Filing: 1957-03-22
•
Granted: 1960-04-19
•
Expires: 1977-03-22
Abstract
No abstract record available.
Inventors
- 👤 Huber John Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:54
CPC Classifications
A; A62; A62B; A62B1/00; A62B1/06; A62B1/14; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/3938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US247708A
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US284627A
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US302231A
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US544724A
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US624293A
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US788756A
Cited
US1033311A
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US1710697A
Cited
US2176501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |