US2832415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating wells
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-10-12
•
Granted: 1958-04-29
•
Expires: 1975-10-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl E Reistle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:37
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/116; Y; Y10; Y10S; Y10S507/00; Y10S507/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A METHOD FOR FORMING CLEAN PERFORATIONS IN A CASED WELL BORE PENETRATING A SUBSURFACE EARTH INTERVAL WHICH
Claim 2
Independent Claim
17 words
A METHOD FOR FORMING CLEAN PERFORATIONS IN A CASED WELL BORE PENETRATING A SUBSURFACE EARTH INTERVAL WHICH
References Cited (Backward Citations)
US2045899A
Cited
US2193807A
Cited
US2591807A
Cited
US2718264A
Cited
US2693856A
Cited
US2699213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |