US2471672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint assembly
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1945-10-22
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Granted: 1949-05-31
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Expires: 1965-10-22
Abstract
No abstract record available.
Inventors
- 👤 James H Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:03
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0628; F16C11/0647; F16C11/0652; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32713; Y10T403/32737; Y10T403/32762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |