Patent US3713239A successfully refreshed from Google Patents.
US3713239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trigger safety device
Assignee: Individual
•
Filing: 1971-02-16
•
Granted: 1973-01-30
•
Expires: 1991-02-16
Abstract
Abstract A trigger safety device for firearms particularly handguns. The trigger safety device is especially useful for police revolvers and consists of a solid shaped resilient plug to fit behind the trigger of a firearm.
Inventors
- 👤 R Sperling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:27
CPC Classifications
F; F41; F41A; F41A17/00; F41A17/46; F41A17/54
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
51 words
A trigger safety device for guns having a trigger with a space behind said trigger, comprising a resilient plug of irregular shape that fits in the said space conforming to the shape of said space and slightly larger than said space so as to be compressed when positioned in said space.
Claim 2
Dependent Claim
51 words
A trigger safety device for guns having a trigger with a space behind said trigger, comprising a resilient plug of irregular shape that fits in the said space conforming to the shape of said space and slightly larger than said space so as to be compressed when positioned in said space.
Claim 3
Dependent Claim
51 words
A trigger safety device for guns having a trigger with a space behind said trigger, comprising a resilient plug of irregular shape that fits in the said space conforming to the shape of said space and slightly larger than said space so as to be compressed when positioned in said space.
Claim 4
Dependent Claim
51 words
A trigger safety device for guns having a trigger with a space behind said trigger, comprising a resilient plug of irregular shape that fits in the said space conforming to the shape of said space and slightly larger than said space so as to be compressed when positioned in said space.
Claim 5
Dependent Claim
21 words
A trigger safety device as in claim 1 in which said safety device is held in place by its bodily resilience.
Claim 6
Dependent Claim
26 words
A trigger safety device as in claim 1 wherein said resilient plug has two broad, flat surfaces and narrow surfaces perpendicular to said broad, flat surfaces.
Claim 7
Dependent Claim
33 words
A trigger safety device as in claim 1 wherein said resilient plug has two broad flat surfaces and narrow surfaces perpendicular to said broad flat surfaces, said narrow surfaces having a convex shape.
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) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |