Patent US3382739A successfully refreshed from Google Patents.
US3382739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Heald Machine Co
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Filing: 1966-03-14
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Granted: 1968-05-14
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Alden H Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:00
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/1075; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/38; B23Q1/70; F16C35/00; F16C35/08; F16C35/10; F16C2322/00; F16C2322/39; Y; Y10; Y10T; Y10T408/00; Y10T408/76; Y10T409/00; Y10T409/30; Y10T409/303976; Y10T409/309576; Y10T409/309744; Y10T409/3098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A MACHINE TOOL, COMPRISING (A) A HEAD, (B) A SLEEVE FIXEDLY MOUNTED IN THE HEAD, (C) AN ELONGATED SPINDLE MOUNTED FOR ROTATION IN THE SLEEVE, ONE END OF THE SPINDLE AND THE SLEEVE LYING WITHIN THE HEAD AND THE OTHER END LYING A SUBSTANTIAL DISTANCE FROM THE HEAD, (D) A BEARING LYING BETWEEN THE SPINDLE AND THE SLEEVE AT A FIRST POSITION, AND (E) A HYDRODYNAMIC BEARING LYING BETWEEN THE SPINDLE AND THE SLEEVE AT A SECOND POSITION SUBSTANTIALLY SPACED FROM THE FIRST POSITION.
Claim 2
Dependent Claim
84 words
A MACHINE TOOL, COMPRISING (A) A HEAD, (B) A SLEEVE FIXEDLY MOUNTED IN THE HEAD, (C) AN ELONGATED SPINDLE MOUNTED FOR ROTATION IN THE SLEEVE, ONE END OF THE SPINDLE AND THE SLEEVE LYING WITHIN THE HEAD AND THE OTHER END LYING A SUBSTANTIAL DISTANCE FROM THE HEAD, (D) A BEARING LYING BETWEEN THE SPINDLE AND THE SLEEVE AT A FIRST POSITION, AND (E) A HYDRODYNAMIC BEARING LYING BETWEEN THE SPINDLE AND THE SLEEVE AT A SECOND POSITION SUBSTANTIALLY SPACED FROM THE FIRST POSITION.
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |