US3046045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal sling systems
Assignee: Eastern Rotorcraft Corp
•
Filing: 1960-01-26
•
Granted: 1962-07-24
•
Expires: 1980-01-26
Abstract
No abstract record available.
Inventors
- 👤 Harris S Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:36
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; B66C1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US909448A
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US1378225A
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GB218467A
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US1591105A
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GB265549A
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US1931808A
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GB423391A
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GB559694A
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US2827017A
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US2903291A
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US2985480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |