US3228333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically actuated cartridge
Assignee: Individual
•
Filing: 1962-03-12
•
Granted: 1966-01-11
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Phelps Lionel Joseph
- 👤 Marshall Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:31
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/08; F41; F41A; F41A19/00; F41A19/58; F42B5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A CARTRIDGE WHICH INCLUDES A CASING OF ELECTRICALLY INSULATING MATERIAL, AN INTEGRAL BASE PORTION CLOSING ONE END OF THE CASING, A BULLET CLOSING THE OTHER END OF SAID CASING, A PROPELLANT IN SAID CASING, AN ELECTRICAL CONTACT IN SAID BASE PORTION, AN ELECTRICALLY CONDUCTIVE COATING ON THE INTERIOR SURFACE OF SAID CASING IN ENGAGEMENT WITH SAID BULLET, AND AN ELECTRICAL FILAMENT CONNECTED BETWEEN SAID CONTACT AND SAID COATING.
Claim 2
Dependent Claim
68 words
A CARTRIDGE WHICH INCLUDES A CASING OF ELECTRICALLY INSULATING MATERIAL, AN INTEGRAL BASE PORTION CLOSING ONE END OF THE CASING, A BULLET CLOSING THE OTHER END OF SAID CASING, A PROPELLANT IN SAID CASING, AN ELECTRICAL CONTACT IN SAID BASE PORTION, AN ELECTRICALLY CONDUCTIVE COATING ON THE INTERIOR SURFACE OF SAID CASING IN ENGAGEMENT WITH SAID BULLET, AND AN ELECTRICAL FILAMENT CONNECTED BETWEEN SAID CONTACT AND SAID COATING.
References Cited (Backward Citations)
US138679A
Cited
US1303032A
Cited
US1485404A
Cited
US2262925A
Cited
US2953990A
Cited
US2805604A
Cited
US2926566A
Cited
US3009419A
Cited
US3023528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |