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US3456376A
Expired / Lapsed
US
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Spring-loaded spearing gig
Assignee: WILLIAM O CHAPPELL
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Filing: 1967-03-21
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Granted: 1969-07-22
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Expires: 1987-03-21
Abstract
No abstract record available.
Inventors
- 👤 William O Chappell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:53
CPC Classifications
A; A01; A01K; A01K81/00; F; F41; F41B; F41B7/00; F41B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |