US4004684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuze protector cap
Assignee: United States Department of the Navy
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Filing: 1976-05-27
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Granted: 1977-01-25
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Expires: 1996-05-27
Abstract
Abstract A deep drawn cap for protecting the fuze in a projectile which fits over fuze and is retained in place by an E clip. An O ring provides a weather tight seal between the cap and the projectile.
Inventors
- 👤 John A. Scollins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:57
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
81 words
A cap for protecting fuzes on projectiles during storage and handling, said projectiles being provided with a circumferential fuze setting groove, comprising: a deep drawn cup having the open end thereof flared to mate with the ogive of the projectile; at least three slots circumferentially spaced on the wall of said cup; and a snap ring having three lips adapted to project into said slots and engage the fuze setting groove on the fuze for retaining said cup on the projectile.
Claim 2
Dependent Claim
81 words
A cap for protecting fuzes on projectiles during storage and handling, said projectiles being provided with a circumferential fuze setting groove, comprising: a deep drawn cup having the open end thereof flared to mate with the ogive of the projectile; at least three slots circumferentially spaced on the wall of said cup; and a snap ring having three lips adapted to project into said slots and engage the fuze setting groove on the fuze for retaining said cup on the projectile.
Claim 3
Dependent Claim
17 words
A fuze protector cap as defined in claim 1 wherein said snap ring is an E-clip ring.
Claim 4
Dependent Claim
31 words
A fuze protector cap as defined in claim 1 wherein an O-ring is disposed within said cup for engaging the ogive of the projectile to provide moisture protection for the fuze.
Claim 5
Dependent Claim
31 words
A fuze protector cap as defined in claim 2 wherein an O-ring is disposed within said cup for engaging the ogive of the projectile to provide moisture protection for the fuze.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-01-25 | 1980-07-26 | 1981-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-25 | 1984-07-26 | 1985-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-25 | 1988-07-26 | 1989-01-25 | $7700.00 | Window Closed / Lapsed |