US3085627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable packer or element
Assignee: Lynes Inc
•
Filing: 1958-08-15
•
Granted: 1963-04-16
•
Expires: 1978-08-15
Abstract
No abstract record available.
Inventors
- 👤 Ernest O Sodich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:06
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/1208; E21B33/127; E21B33/1277; E21B47/00; E21B47/10; E21B47/117
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
IN AN INFLATABLE ELEMENT WHICH IS ADAPTED TO BE EXPANDED IN A TUBULAR BORE TO SEAL WITH THE TUBULAR BORE WALL, SAID ELEMENT INCLUDING AN ANNULAR BODY OF RESILIENT MATERIAL, FRICTION MEANS ON SAID BODY TO AID IN ANCHORING SAID ELEMENT IN THE TUBULAR BORE, SAID FRICTION MEANS INCLUDING PARTICLES EMBEDDED IN SAID ELEMENT, SAID PARTICLES HAVING IRREGULAR EDGES AND SURFACES WHICH PROTRUDE OUTWARDLY RELATIVE TO SAID ELEMENT TO CONCENTRATE AND THEREBY MAGNIFY PRESSURE OF THE INFLATING ELEMENT AGAINST THE TUBULAR BORE WALL TO ANCHOR THE ELEMENT IN THE TUBULAR BORE.
References Cited (Backward Citations)
US2019418A
Cited
US2084784A
Cited
US2171438A
Cited
US2194331A
Cited
US2370832A
Cited
US2656891A
Cited
US2835329A
Cited
US2800186A
Cited
US2778432A
Cited
US2970649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |