US3138991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firearm muzzle attachment and projectile with expansible, detachable husk
Assignee: Individual
•
Filing: 1962-01-10
•
Granted: 1964-06-30
•
Expires: 1982-01-10
Abstract
No abstract record available.
Inventors
- 👤 Richard L Malter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:48
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/46; F41A21/32; F41A21/36
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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |