US2603992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument for closing and opening split sinkers on fishing lines
Assignee: Individual
•
Filing: 1950-05-09
•
Granted: 1952-07-22
•
Expires: 1970-05-09
Abstract
No abstract record available.
Inventors
- 👤 Russell G Brown
- 👤 Kenneth E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:50
CPC Classifications
A; A01; A01K; A01K95/00; A01K95/02; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478; Y10T29/53487; Y10T29/53513; Y10T29/53517
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US319775A
Cited
US838920A
Cited
US1126324A
Cited
US1290331A
Cited
US1300495A
Cited
US1399665A
Cited
US1435881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |