Patent US2749649A successfully refreshed from Google Patents.
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
2026-10-30 01:27
CPC Classifications
A; A01; A01K; A01K91/00; A01K91/06; A01K91/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US891037A
Cited
US1085368A
Cited
US1974381A
Cited
US2119483A
Cited
US2097986A
Cited
US2121279A
Cited
US2326876A
Cited
US2452796A
Cited
US2557516A
Cited
US2608017A
Cited
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 |