US2806218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muzzle shield for explosively-actuated tools
Assignee: Olin Corp
•
Filing: 1955-04-15
•
Granted: 1957-09-17
•
Expires: 1975-04-15
Abstract
No abstract record available.
Inventors
- 👤 Robert W Henning
- 👤 Herbert L Ivins
- 👤 Rowland J Kopf
- 👤 Elmer F Pfaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:47
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/18; B25C1/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2673980A
Cited
US2675546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |