US2660905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Idler arm
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1950-02-25
•
Granted: 1953-12-01
•
Expires: 1970-02-25
Abstract
No abstract record available.
Inventors
- 👤 Donald P Marquis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:50
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/16; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/32114; Y10T403/32188; Y10T403/45; Y10T403/454; Y10T403/455; Y10T74/00; Y10T74/21; Y10T74/2142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1886143A
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US1862027A
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US1876924A
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US2022213A
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US2156580A
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US2152506A
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US2178858A
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US2346574A
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US2448851A
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US2464982A
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US2479339A
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US2488979A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |