US2755735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive cartridge assembly
Assignee: Illinois Powder Manufacturing Co
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Filing: 1955-03-09
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Granted: 1956-07-24
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Expires: 1975-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur H Harter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:32
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
CLOSURE MEANS FOR SEALING THE END OF A TUBULAR CASING, COMPRISING A FIRST SEALING MEMBER HAVING A FIRST SIDE WALL ADAPTED TO FIT INTO ONE END OF THE CASING AND A BASE WITH AN OPENING THEREIN, CAP RETAINING MEANS ON SAID BASE HAVING A CAVITY IN COMMUNICATION WITH THE OPENING, AND CHANNEL MEANS EXTENDING FROM SAID OPENING TO SAID FIRST SIDE WALL; A SECOND SEALING MEMBER HAVING A SECOND SIDE WALL ADAPTED TO FIT INTO ANOTHER END OF THE CASING AND DIAPHRAGM MEANS CONNECTED TO THE INNER PERIPHERY OF SAID SECOND SIDE WALL, SAID FIRST AND SECOND SEALING MEMBERS BEING ADAPTED TO INTERFIT WHEREBY CASINGS HAVING ENDS SEALED BY SAID MEMBERS MAY BE JOINED TOGETHER.
Claim 2
Dependent Claim
115 words
CLOSURE MEANS FOR SEALING THE END OF A TUBULAR CASING, COMPRISING A FIRST SEALING MEMBER HAVING A FIRST SIDE WALL ADAPTED TO FIT INTO ONE END OF THE CASING AND A BASE WITH AN OPENING THEREIN, CAP RETAINING MEANS ON SAID BASE HAVING A CAVITY IN COMMUNICATION WITH THE OPENING, AND CHANNEL MEANS EXTENDING FROM SAID OPENING TO SAID FIRST SIDE WALL; A SECOND SEALING MEMBER HAVING A SECOND SIDE WALL ADAPTED TO FIT INTO ANOTHER END OF THE CASING AND DIAPHRAGM MEANS CONNECTED TO THE INNER PERIPHERY OF SAID SECOND SIDE WALL, SAID FIRST AND SECOND SEALING MEMBERS BEING ADAPTED TO INTERFIT WHEREBY CASINGS HAVING ENDS SEALED BY SAID MEMBERS MAY BE JOINED TOGETHER.
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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |