US3301349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive spline lubrication system
Assignee: Individual
•
Filing: 1964-11-02
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Granted: 1967-01-31
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 John W Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:17
CPC Classifications
F; F01; F01M; F01M9/00; F01M9/12; F16; F16D; F16D3/00; F16D3/02; F16D3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A DRIVE SPLINE LUBRICATION SYSTEM COMPRISING IN COMBINATION: (A) A TRANSMISSION CASE HAVING A LUBRICANT SUPPLY THEREIN, (B) A DRIVE SHAFT JOURNALED IN SAID TRANSMISSION CASE HAVING A HOLLOW BORE FORMED AXIALLY IN THE OUTER END PROJECTING OUTWARDLY FROM SAID TRANSMISSION CASE, (C) AN INTERNAL DRIVING SPLINE FORMED IN SAID BORE OF THE PROJECTING OUTER END OF SAID DRIVE SHAFT, (D) A DRIVEN SHAFT HAVING A MATING EXTERNAL SPLINE FITTING WITHIN SAID INTERNAL DRIVING SPLINE, (E) AND A RADIALLY EXTENDING RESTRICTED PASSAGEWAY FORMED IN SAID DRIVE SHAFT AND EXTENDING BETWEEN THE PERIPHERY OF SAID DRIVE SHAFT AND SAID BORE FOR SUPPLYING SAID LUBRICANT RECEIVED FROM THE TRANSMISSION CASE TO SAID SPLINES IN SAID DRIVE SHAFT.
Claim 2
Dependent Claim
115 words
A DRIVE SPLINE LUBRICATION SYSTEM COMPRISING IN COMBINATION: (A) A TRANSMISSION CASE HAVING A LUBRICANT SUPPLY THEREIN, (B) A DRIVE SHAFT JOURNALED IN SAID TRANSMISSION CASE HAVING A HOLLOW BORE FORMED AXIALLY IN THE OUTER END PROJECTING OUTWARDLY FROM SAID TRANSMISSION CASE, (C) AN INTERNAL DRIVING SPLINE FORMED IN SAID BORE OF THE PROJECTING OUTER END OF SAID DRIVE SHAFT, (D) A DRIVEN SHAFT HAVING A MATING EXTERNAL SPLINE FITTING WITHIN SAID INTERNAL DRIVING SPLINE, (E) AND A RADIALLY EXTENDING RESTRICTED PASSAGEWAY FORMED IN SAID DRIVE SHAFT AND EXTENDING BETWEEN THE PERIPHERY OF SAID DRIVE SHAFT AND SAID BORE FOR SUPPLYING SAID LUBRICANT RECEIVED FROM THE TRANSMISSION CASE TO SAID SPLINES IN SAID DRIVE SHAFT.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |