US3244424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stuffing box
Assignee: Individual
•
Filing: 1963-07-19
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Granted: 1966-04-05
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Expires: 1983-07-19
Abstract
No abstract record available.
Inventors
- 👤 Cope Thomas Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:18
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/56; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN COMBINATION WITH A POLISH ROD SUBSTANTIALLY AXIALLY SLIDABLE WITHIN A STRING OF TUBING, A STUFFING BOX SURROUNDING SAID ROD AND SECURED TO SAID TUBING FOR SEALING THE SLIDING CONNECTION BETWEEN SAID ROD AND TUBING, SAID STUFFING BOX COMPRISING HOUSING MEANS SECURED TO THE TUBING STRING, REMOVABLE PACKING MEANS DISPOSED WITHIN SAID HOUSING MEANS IN ABUTTING RELATION ABOUT SAID ROD, SAID PACKING MEANS INCLUDING SPLIT CAGE MEANS HAVING A SERIES OF AXIALLY SPACED, CONTIGUOUS GROOVES, SEAL MEANS POSITIONED WITHIN SAID GROOVES IN WIPING ENGAGEMENT WITH SAID ROD, MEANS FOR CLAMPING SAID SPLIT CAGE MEANS ABOUT
Claim 2
Dependent Claim
95 words
IN COMBINATION WITH A POLISH ROD SUBSTANTIALLY AXIALLY SLIDABLE WITHIN A STRING OF TUBING, A STUFFING BOX SURROUNDING SAID ROD AND SECURED TO SAID TUBING FOR SEALING THE SLIDING CONNECTION BETWEEN SAID ROD AND TUBING, SAID STUFFING BOX COMPRISING HOUSING MEANS SECURED TO THE TUBING STRING, REMOVABLE PACKING MEANS DISPOSED WITHIN SAID HOUSING MEANS IN ABUTTING RELATION ABOUT SAID ROD, SAID PACKING MEANS INCLUDING SPLIT CAGE MEANS HAVING A SERIES OF AXIALLY SPACED, CONTIGUOUS GROOVES, SEAL MEANS POSITIONED WITHIN SAID GROOVES IN WIPING ENGAGEMENT WITH SAID ROD, MEANS FOR CLAMPING SAID SPLIT CAGE MEANS ABOUT
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |