US3190704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stern bearing packing glands
Assignee: Individual
•
Filing: 1961-06-07
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Granted: 1965-06-22
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Expires: 1981-06-07
Abstract
No abstract record available.
Inventors
- 👤 Harold A Guthans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:42
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/32; B63H23/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A BEARING GLAND FOR PROPELLER SHAFTS AND THE LIKE SUBJECT TO EXTERNAL PRESSURE COMPRISING A HOUSING MEANS EXTENDING FROM A BEARING SURROUNDING A PROPELLER SHAFT, PACKING CARRIER MEANS WITHIN SAID HOUSING AND SURROUNDING SAID PROPELLER SHAFT MOVABLE WITH THE PROPELLER SHAFT IN ALL DIRECTIONS SUBSTANTIALLY PARALLEL AND TRANSVERSE TO THE AXIS OF THE PROPELLER SHAFT, AN ANNULAR WELL IN SAID CARRIER MEANS SPACED FROM AND PARALLEL TO THE SHAFT, A RETAINER RING FIXED TO THE SHAFT AND HAVING AN AXIALLY EXTENDING ANNULAR FLANGE SPACED FROM AND MOVABLE WITH THE PROPELLER SHAFT SLIDABLE IN SAID WELL AND PACKING
Claim 2
Dependent Claim
97 words
A BEARING GLAND FOR PROPELLER SHAFTS AND THE LIKE SUBJECT TO EXTERNAL PRESSURE COMPRISING A HOUSING MEANS EXTENDING FROM A BEARING SURROUNDING A PROPELLER SHAFT, PACKING CARRIER MEANS WITHIN SAID HOUSING AND SURROUNDING SAID PROPELLER SHAFT MOVABLE WITH THE PROPELLER SHAFT IN ALL DIRECTIONS SUBSTANTIALLY PARALLEL AND TRANSVERSE TO THE AXIS OF THE PROPELLER SHAFT, AN ANNULAR WELL IN SAID CARRIER MEANS SPACED FROM AND PARALLEL TO THE SHAFT, A RETAINER RING FIXED TO THE SHAFT AND HAVING AN AXIALLY EXTENDING ANNULAR FLANGE SPACED FROM AND MOVABLE WITH THE PROPELLER SHAFT SLIDABLE IN SAID WELL AND PACKING
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |