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US2997188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load handling boats
Assignee: Individual
•
Filing: 1956-04-25
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Granted: 1961-08-22
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Expires: 1976-04-25
Abstract
No abstract record available.
Inventors
- 👤 Hauser Albert Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:04
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US837173A
Cited
US893642A
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US1047233A
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FR748281A
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US2341866A
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US2378254A
Cited
US2581087A
Cited
US2772789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |