Patent US2998999A successfully refreshed from Google Patents.
US2998999A
Expired / Lapsed
US
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Self-aligning shaft and hydrostatic bearings assembly
Assignee: Northrop Grumman Corp
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Filing: 1958-12-05
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Granted: 1961-09-05
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Expires: 1978-12-05
Abstract
No abstract record available.
Inventors
- 👤 Calvin S Morser
- 👤 Robert E Maloney
- 👤 Conrad H Benoit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0662; F16C32/067; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C32/0681; F16C32/0696; Y; Y10; Y10S; Y10S92/00; Y10S92/02
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) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |