US2749649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trolling ballast
Assignee: Individual
•
Filing: 1952-12-30
•
Granted: 1956-06-12
•
Expires: 1972-12-30
Abstract
No abstract record available.
Inventors
- 👤 Archie L Fitzsimmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:43
CPC Classifications
A; A01; A01K; A01K91/00; A01K91/06; A01K91/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US891037A
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US1085368A
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US1974381A
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US2119483A
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US2097986A
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US2121279A
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US2326876A
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US2452796A
Cited
US2557516A
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US2608017A
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US2552730A
Cited
US2631805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |