Patent US4879051A successfully refreshed from Google Patents.
US3026801A
Expired / Lapsed
US
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Shotgun shell
Assignee: Phillips Petroleum Co
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Filing: 1959-07-27
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Granted: 1962-03-27
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Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 George G Oberfell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:32
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1555854A
Cited
US2559275A
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US2582125A
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US2918868A
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GB798002A
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FR1168999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |