US3030744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air film bearing for machine tools
Assignee: HARIG Manufacturing CORP
•
Filing: 1960-03-08
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Granted: 1962-04-24
•
Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 Alvin E Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:59
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; F16C32/0651; F16C32/0659; B; B24; B24B; B24B41/00; B24B41/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA463635A
Cited
GB129424A
Cited
FR529806A
Cited
US2035163A
Cited
GB645881A
Cited
US2671700A
Cited
US2683635A
Cited
US2645534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |