US3284086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stuffing box packing
Assignee: Phillips Petroleum Co
•
Filing: 1963-10-31
•
Granted: 1966-11-08
•
Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 Primrose Tommie Haskell
- 👤 Boen William Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:38
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/08; F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/184; F16J15/185; F16J15/186; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF PACKING A STUFFING BOX THROUGH WHICH A POLISHED ROD RECIPROCATES WHICH COMPRISES PLACING A FIRST RESILIENT RETAINING RING IN A FIRST END OF THE STUFFING BOX; COMPACTING BLOWN LINEAR POLYETHYLENE FIBERS INTO THE CENTRAL PORTION OF THE STUFFING BOX; PLACING A SECOND RESILIENT RETAINING RING IN THE SECOND END OF THE PACKING BOX; TIGHTENING A STUFFING BOX COVER ONTO THE STUFFING BOX TO COMPACT THE PACKING ABOUT THE POLISHED ROD, AND RECIPROCATING THE POLISHED ROD THROUGH THE STUFFING BOX.
Claim 2
Independent Claim
82 words
THE METHOD OF PACKING A STUFFING BOX THROUGH WHICH A POLISHED ROD RECIPROCATES WHICH COMPRISES PLACING A FIRST RESILIENT RETAINING RING IN A FIRST END OF THE STUFFING BOX; COMPACTING BLOWN LINEAR POLYETHYLENE FIBERS INTO THE CENTRAL PORTION OF THE STUFFING BOX; PLACING A SECOND RESILIENT RETAINING RING IN THE SECOND END OF THE PACKING BOX; TIGHTENING A STUFFING BOX COVER ONTO THE STUFFING BOX TO COMPACT THE PACKING ABOUT THE POLISHED ROD, AND RECIPROCATING THE POLISHED ROD THROUGH THE STUFFING BOX.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |