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US3042222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cargo boom
Assignee: Individual
•
Filing: 1959-04-13
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Granted: 1962-07-03
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Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Guenther W Lehmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:54
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/60; B66C23/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2562086A
Cited
GB766718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |