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US2863149A
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Apparatus for securing hangers with explosively-actuated tools
Assignee: Olin Corp
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Filing: 1955-04-18
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Granted: 1958-12-09
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Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Rowland J Kopf
- 👤 Marsh Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:51
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US892105A
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US1137906A
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US2385296A
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US2666252A
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US2673980A
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US2594275A
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US2675546A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |