Patent US4105029A successfully refreshed from Google Patents.
US3124502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite fibrous lubricant packing
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:53
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20; Y; Y10; Y10S; Y10S285/00; Y10S285/91; Y10T; Y10T428/00; Y10T428/21; Y10T428/215; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ANNULAR STUFFING BOX PACKING COMPRISED OF AN IMPREGNABLE PUNCHED OUT SOLID SECTION MADE UP OF A PLURALITY OF THIN SHEETS MADE UP OF FIBERS, SAID FIBERS HAVING THE ORIENTATION OF FIBERS IN PAPER, AT LEAST 70% BY WEIGHT OF FINELY DIVIDED SOLID LUBRICANTS INCORPORATED IN THE FIBROUS MATERIAL, EACH SINGLE FIBER HAVING A COAT OF FINELY DIVIDED SOLIDS HELD IN A LAYER COMPLETELY ENVELOPING SAID FIBER WITH SAID LUBRICANTS, SAID FIBERS BEING IN DEFINED POSITION WITH RELATION TO SAID LUBRICANTS AND SAID SHEETS BEING COMBINED AND SOLIDIFIED TO FORM THE SOLID SECTION PUNCHED OUT OF SAID SHEETS.
Claim 2
Dependent Claim
98 words
AN ANNULAR STUFFING BOX PACKING COMPRISED OF AN IMPREGNABLE PUNCHED OUT SOLID SECTION MADE UP OF A PLURALITY OF THIN SHEETS MADE UP OF FIBERS, SAID FIBERS HAVING THE ORIENTATION OF FIBERS IN PAPER, AT LEAST 70% BY WEIGHT OF FINELY DIVIDED SOLID LUBRICANTS INCORPORATED IN THE FIBROUS MATERIAL, EACH SINGLE FIBER HAVING A COAT OF FINELY DIVIDED SOLIDS HELD IN A LAYER COMPLETELY ENVELOPING SAID FIBER WITH SAID LUBRICANTS, SAID FIBERS BEING IN DEFINED POSITION WITH RELATION TO SAID LUBRICANTS AND SAID SHEETS BEING COMBINED AND SOLIDIFIED TO FORM THE SOLID SECTION PUNCHED OUT OF SAID SHEETS.
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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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |