US2737115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for explosively fracturing tubular members
Assignee: Individual
•
Filing: 1952-09-25
•
Granted: 1956-03-06
•
Expires: 1972-09-25
Abstract
No abstract record available.
Inventors
- 👤 Addison G Bissell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:45
CPC Classifications
E; E21; E21B; E21B29/00; E21B29/02; F; F42; F42D; F42D3/00; E02; E02B; E02B17/00; E02B2017/0052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1641483A
Cited
US2210125A
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US2441894A
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US2436036A
Cited
US2543057A
Cited
US2587244A
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US2690123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |