US3451305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braided steel leader construction
Assignee: Berkley and Co Inc
•
Filing: 1967-03-28
•
Granted: 1969-06-24
•
Expires: 1987-03-28
Abstract
No abstract record available.
Inventors
- 👤 Harlan B Christensen
- 👤 Paul C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:39
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0673; A; A01; A01K; A01K91/00; D07B1/16; D07B1/162; D07B2201/00; D07B2201/10; D07B2201/1012; D07B2201/102; D07B2201/1096; D07B2201/20; D07B2201/2047; D07B2201/2052; D07B2201/2055; D07B2201/2056; D07B2201/2083; D07B2201/2087; D07B2205/00; D07B2205/20; D07B2205/2046; D07B2501/00; D07B2501/20; D07B2501/2038
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE570863A
Cited
US1950858A
Cited
US2040992A
Cited
US3067569A
Cited
US2894366A
Cited
US3092685A
Cited
US3288175A
Cited
US3277564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |