Patent US2823674A successfully refreshed from Google Patents.
US2428232A
Expired / Lapsed
US
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Shotgun choke
Assignee: Individual
•
Filing: 1944-05-25
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Granted: 1947-09-30
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Expires: 1964-05-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Limon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/32; F41A21/40; F41A21/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337916A
Cited
US661562A
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GB189919006A
Cited
US1598360A
Cited
US1679048A
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CH125026A
Cited
US2153246A
Cited
US2315207A
Cited
US2340821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |