US3063569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction type holder device
Assignee: Eastern Rotorcraft Corp
•
Filing: 1960-12-19
•
Granted: 1962-11-13
•
Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Huber John Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:14
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/50; A47L13/51; A47L13/512
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA491967A
Cited
US1958772A
Cited
US1992857A
Cited
US2471680A
Cited
CH250056A
Cited
US2725147A
Cited
US2785919A
Cited
US2956687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |