US2496217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harpoon gun
Assignee: Individual
•
Filing: 1948-04-16
•
Granted: 1950-01-31
•
Expires: 1968-04-16
Abstract
No abstract record available.
Inventors
- 👤 Cresson H Kearny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:53
CPC Classifications
F; F41; F41B; F41B7/00; F41B7/04; Y; Y10; Y10S; Y10S273/00; Y10S273/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US477747A
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US1124726A
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US1133189A
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US1259463A
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US1707045A
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US1580854A
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US1726829A
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US1704810A
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US1746246A
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US1971137A
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US2305176A
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US2267065A
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US2334332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |