US3285572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1965-06-28
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Granted: 1966-11-15
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Walter L Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:47
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/04; B63B21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A ROTATABLE BUTTON-TYPE DECK FITTING INCLUDING: A SPINDLE COMPRISING A RIGHT CYLINDRICAL UPSTANDING JOURNAL BEARING WITH A BASE EXTENDING RADIALLY FROM THE BOTTOM THEREOF, SAID SPINDLE HAVING A CORE EXTENDING FROM THE BASE TO WITHIN THE JOURNAL BEARING, A RETAINER RECESS ON THE SPINDLE EXTENDING ABOUT THE PERIPHERY OF THE JOURNAL BEARING, A PULLEY HAVING A SMOOTH TOP WHOSE DIAMETER IS SUBSTANTIALLY THAT OF THE SPINDLE BASE, SAID PULLEY INCLUDING AN INSET JOURNAL BEARING PROVIDING A SLIDING FIT WITH THE UPSTANDING JOURNAL BEARING OF THE SPINDLE, A RETAINER RECESS IN THE PULLEY JOURNAL BEARING MATING WITH THE SPINDLE RETAINER RECESS WHEN THE PULLEY IS MOUNTED ON THE SPINDLE, THE MATING RETAINER RECESSES FORMING A RETAINER RACE, SAID PULLEY INCLUDING A WIRE ROPE GROOVE ABOUT ITS PERIPHERY AND ADJACENT THE JOURNAL BEARING, EITHER SAID PULLEY OR SPINDLE HAVING AN ACCESS HOLE EXTENDING TO THE RETAINER RACE, ROTATABLE RETAINER MEANS INSERTABLE THROUGH SAID ACCESS HOLE AND ROLLABLE IN SAID RETAINER RACE, A PLUG INSERTABLE IN SAID ACCESS HOLE, A SECOND PULLEY MOUNTED BENEATH SAID FIRST MENTIONED PULLEY, SAID SECOND PULLEY HAVING A DIAMETER SUBSTANTIALLY THAT OF THE SPINDLE BASE,
Claim 2
Dependent Claim
187 words
A ROTATABLE BUTTON-TYPE DECK FITTING INCLUDING: A SPINDLE COMPRISING A RIGHT CYLINDRICAL UPSTANDING JOURNAL BEARING WITH A BASE EXTENDING RADIALLY FROM THE BOTTOM THEREOF, SAID SPINDLE HAVING A CORE EXTENDING FROM THE BASE TO WITHIN THE JOURNAL BEARING, A RETAINER RECESS ON THE SPINDLE EXTENDING ABOUT THE PERIPHERY OF THE JOURNAL BEARING, A PULLEY HAVING A SMOOTH TOP WHOSE DIAMETER IS SUBSTANTIALLY THAT OF THE SPINDLE BASE, SAID PULLEY INCLUDING AN INSET JOURNAL BEARING PROVIDING A SLIDING FIT WITH THE UPSTANDING JOURNAL BEARING OF THE SPINDLE, A RETAINER RECESS IN THE PULLEY JOURNAL BEARING MATING WITH THE SPINDLE RETAINER RECESS WHEN THE PULLEY IS MOUNTED ON THE SPINDLE, THE MATING RETAINER RECESSES FORMING A RETAINER RACE, SAID PULLEY INCLUDING A WIRE ROPE GROOVE ABOUT ITS PERIPHERY AND ADJACENT THE JOURNAL BEARING, EITHER SAID PULLEY OR SPINDLE HAVING AN ACCESS HOLE EXTENDING TO THE RETAINER RACE, ROTATABLE RETAINER MEANS INSERTABLE THROUGH SAID ACCESS HOLE AND ROLLABLE IN SAID RETAINER RACE, A PLUG INSERTABLE IN SAID ACCESS HOLE, A SECOND PULLEY MOUNTED BENEATH SAID FIRST MENTIONED PULLEY, SAID SECOND PULLEY HAVING A DIAMETER SUBSTANTIALLY THAT OF THE SPINDLE BASE,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |