US2712193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shot gun muzzle device
Assignee: Individual
•
Filing: 1951-05-03
•
Granted: 1955-07-05
•
Expires: 1971-05-03
Abstract
No abstract record available.
Inventors
- 👤 William F Mathis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:10
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)
US785975A
Cited
US2428232A
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US2558200A
Cited
US2442899A
Cited
US2466104A
Cited
US2453747A
Cited
US2662326A
Cited
US2589738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |