US2444874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing
Assignee: GEORGE B PITTS
•
Filing: 1944-10-09
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Granted: 1948-07-06
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Expires: 1964-10-09
Abstract
No abstract record available.
Inventors
- 👤 Hanson Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:48
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US528773A
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US561794A
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US796658A
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US993660A
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US1189905A
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US1349060A
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US1208454A
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US1882828A
Cited
DE690313C
Cited
US2366729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |