US2642056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harpoon gun
Assignee: Individual
•
Filing: 1950-09-01
•
Granted: 1953-06-16
•
Expires: 1970-09-01
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:51
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/80; F41B11/83
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US627320A
Cited
US749519A
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US1404639A
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US1854605A
Cited
US2090731A
Cited
US2304841A
Cited
US2504525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |