US2996213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers
Assignee: LOIS D MITCHELL
•
Filing: 1958-09-10
•
Granted: 1961-08-15
•
Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Lois D Mitchell
- 👤 David L Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:10
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/084; F17C13/06; F17C13/12; F17C13/123; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0115; F17C2205/03; F17C2205/0302; F17C2205/0308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2802593A
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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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |