US3266575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Setting tool devices having a multistage power charge
Assignee: Individual
•
Filing: 1963-07-01
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Granted: 1966-08-16
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Harrold D Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:28
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/06; E21B23/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN COMBINATION WITH A WELL DEVICE ADAPTED TO BE OPERATED AND SET IN A WELL BORE AND FLUID ACTUATABLE MEANS OPERATIVELY CONNECTED TO SAID WELL DEVICE, SAID MEANS INCLUDING A CYLINDER AND A PISTON SLIDABLE IN SAID CYLINDER; A MULTI-STAGE POWER CHARGE DISPOSED IN SAID DEVICE, WITH ONE BURNING STAGE THEREOF BEING CAPABLE OF GENERATING GASEOUS PRESSURE IN SAID CLYINDER AT A RATE THAT IS FASTER THAN A SUBSEQUENT BURNING STAGE, AND WITH THE SAID GASEOUS PRESSURE CONTINUOUSLY INCREASING AND REACHING A MAXI MUM VALVE DURING THE BURNING OF THE FINAL STAGE OF SAID MULTI-STAGE POWER CHARGE; AND MEANS FOR IGNITING SAID POWER CHARGE.
Claim 2
Dependent Claim
104 words
IN COMBINATION WITH A WELL DEVICE ADAPTED TO BE OPERATED AND SET IN A WELL BORE AND FLUID ACTUATABLE MEANS OPERATIVELY CONNECTED TO SAID WELL DEVICE, SAID MEANS INCLUDING A CYLINDER AND A PISTON SLIDABLE IN SAID CYLINDER; A MULTI-STAGE POWER CHARGE DISPOSED IN SAID DEVICE, WITH ONE BURNING STAGE THEREOF BEING CAPABLE OF GENERATING GASEOUS PRESSURE IN SAID CLYINDER AT A RATE THAT IS FASTER THAN A SUBSEQUENT BURNING STAGE, AND WITH THE SAID GASEOUS PRESSURE CONTINUOUSLY INCREASING AND REACHING A MAXI MUM VALVE DURING THE BURNING OF THE FINAL STAGE OF SAID MULTI-STAGE POWER CHARGE; AND MEANS FOR IGNITING SAID POWER CHARGE.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |