US2780966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Router lubrication arrangement
Assignee: North American Aviation Corp
•
Filing: 1953-04-06
•
Granted: 1957-02-12
•
Expires: 1973-04-06
Abstract
No abstract record available.
Inventors
- 👤 Louis E Frost
- 👤 George J Matey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:16
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/12; B23Q11/121; B23Q11/123; B23B; B23B45/00; B23B45/04; B23B45/042; B23Q11/10; B23Q11/1015; Y; Y10; Y10S; Y10S173/00; Y10S173/03; Y10S29/00; Y10S29/082; Y10T; Y10T409/00; Y10T409/30; Y10T409/303976; Y10T409/306216; Y10T409/306384; Y10T409/30644
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193676A
Cited
US1611028A
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US1630835A
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US1687252A
Cited
US1979537A
Cited
US2232617A
Cited
US2384872A
Cited
US2452268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |