Patent US2683635A successfully refreshed from Google Patents.
US2683635A
Expired / Lapsed
US
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Air bearing
Assignee: Individual
•
Filing: 1949-11-12
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Granted: 1954-07-13
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Expires: 1969-11-12
Abstract
No abstract record available.
Inventors
- 👤 Roy M Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:43
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0603; F16C32/0614; F16C32/0622; F16C32/0618; F16C32/0662; F16C32/067; F16C32/0681; F16C32/0696; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US466645A
Cited
USRE20305E
Cited
US1337742A
Cited
US1906715A
Cited
US2049343A
Cited
US2086896A
Cited
GB548363A
Cited
FR896233A
Cited
US2442202A
Cited
GB626268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |