Patent US2943894A successfully refreshed from Google Patents.
US2943894A
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Assignee: RTX Corp
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Filing: 1954-02-10
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Granted: 1960-07-05
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Expires: 1974-02-10
Abstract
No abstract record available.
Inventors
- 👤 Niles J Brook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:40
CPC Classifications
F; F16; F16C; F16C25/00; F16C25/06; F16C25/08; F16C33/00; F16C33/30; F16C33/58; F16C33/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/4968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1334027A
Cited
GB250412A
Cited
US1660506A
Cited
US1978707A
Cited
US1984718A
Cited
US2118317A
Cited
FR837249A
Cited
US2559621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |