US3323385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatically lubricated worm and rack mechanism
Assignee: Individual
•
Filing: 1965-08-19
•
Granted: 1967-06-06
•
Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Revitt Walter Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:47
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/22; B; B23; B23Q; B23Q11/00; B23Q11/12; B23Q11/121; F16H57/00; F16H57/04; F16H57/042; F16H57/043; F16H57/0431; F16H57/048; F16H57/0498; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19819; Y10T74/19828; Y10T74/19991; Y10T74/19995
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
WORM AND RACK MECHANISM COMPRISING A TOOTHED RACK, A WORM HAVING A THREAD ENGAGING SOME OF THE TEETH OF SAID RACK, SAID RACK TEETH DEFINING LUBRICANT OUTLET RECESSES IN THE FLANKS OF SAID TEETH, AND SAID RACK FURTHER DEFINING PASSAGES LEADING FROM SAID OUTLET RECESSES TO PORTS IN A WALL OF SAID RACK, A DISTRIBUTOR MOVABLE WITH SAID
Claim 2
Dependent Claim
58 words
WORM AND RACK MECHANISM COMPRISING A TOOTHED RACK, A WORM HAVING A THREAD ENGAGING SOME OF THE TEETH OF SAID RACK, SAID RACK TEETH DEFINING LUBRICANT OUTLET RECESSES IN THE FLANKS OF SAID TEETH, AND SAID RACK FURTHER DEFINING PASSAGES LEADING FROM SAID OUTLET RECESSES TO PORTS IN A WALL OF SAID RACK, A DISTRIBUTOR MOVABLE WITH SAID
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |