Patent US2150226A successfully refreshed from Google Patents.
US3049079A
Expired / Lapsed
US
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Waterproof container and closure therefor
Assignee: Hercules Powder Co
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Filing: 1957-11-18
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Granted: 1962-08-14
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Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Eilo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:57
CPC Classifications
F; F42; F42D; F42D1/00; F42D1/08; F42D1/24; F42B; F42B3/00; F42B3/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1388429A
Cited
US1889882A
Cited
GB398030A
Cited
US2155499A
Cited
US2441397A
Cited
US2503269A
Cited
GB737255A
Cited
US2730505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |