Patent US3175494A successfully refreshed from Google Patents.
US3175494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid propellant projectile unit
Assignee: Olin Corp
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Filing: 1963-05-07
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Granted: 1965-03-30
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Expires: 1983-05-07
Abstract
No abstract record available.
Inventors
- 👤 Charles F Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:57
CPC Classifications
F; F41; F41A; F41A1/00; F41A1/04; F42; F42B; F42B5/00; F42B5/02; F42B5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
AN EXPLOSIVE PROJECTILE UNIT COMPRISING A BODY SECTION HAVING A SOLID POINTED FRONT END AND A HOLLOW REAR END HAVING A CYLINDRICAL RECESS EXTENDING LONGITUDINALLY FROM A BODY OPENING AT THE REAR TO A BOTTOM SURFACE IN SAID BODY, A PLUG SECTION OF COMPLEMENTARY CYLINDRICAL CONFIGURATION SLIDEABLY RECEIVED IN PART AND YIELDABLY HELD IN SAID RECESS AND DISPLACED REARWARDLY FROM SAID SURFACE TO DEFINE IN SAID UNIT A LONGITUDINAL DEPTH OF CAVITY BETWEEN SAID SECTIONS AND AN EXTENSION OF SAID PLUG SECTION PROTRUDING REARWARDLY FROM SAID OPENING, SAID EXTENSION BEING EXPOSED REARWARDLY OF SAID BODY SECTION FOR IMPACT WITH A PLUG SECTION MOVING MEANS, A CHARGE OF MONOPROPELLANT SUBSTANTIALLY FILLING SAID CAVITY IN THE FORM OF A FLOWABLE PROPELLANT, AN APERTURE IN AT LEAST ONE OF SAID SECTIONS EXTENDING FROM SAID CAVITY TO THE REAR OF SAID UNIT FOR PROPELLANT EJECTION EXTERNALLY OF THE UNIT, AND ADHERENT MEANS MOUNTED ON AT LEAST ONE OF SAID SECTIONS FOR CLOSING SAID CAVITY AT SAID APERTURE RUPTURABLY AT A PREDETERMINED PRESSURE OF SAID MONOPROPELLANT DEVELOPED AS SAID PLUG SECTION IS MOVED AGAINST SAID BOTTOM SURFACE, WHEREBY SAID UNIT IS RENDERED SUBSTANTIALLY SOLID AND PROJECTABLE BY SUBSEQUENT IGNITION OF THE EJECTED CHARGE OF MONOPROPELLANT.
Claim 2
Dependent Claim
200 words
AN EXPLOSIVE PROJECTILE UNIT COMPRISING A BODY SECTION HAVING A SOLID POINTED FRONT END AND A HOLLOW REAR END HAVING A CYLINDRICAL RECESS EXTENDING LONGITUDINALLY FROM A BODY OPENING AT THE REAR TO A BOTTOM SURFACE IN SAID BODY, A PLUG SECTION OF COMPLEMENTARY CYLINDRICAL CONFIGURATION SLIDEABLY RECEIVED IN PART AND YIELDABLY HELD IN SAID RECESS AND DISPLACED REARWARDLY FROM SAID SURFACE TO DEFINE IN SAID UNIT A LONGITUDINAL DEPTH OF CAVITY BETWEEN SAID SECTIONS AND AN EXTENSION OF SAID PLUG SECTION PROTRUDING REARWARDLY FROM SAID OPENING, SAID EXTENSION BEING EXPOSED REARWARDLY OF SAID BODY SECTION FOR IMPACT WITH A PLUG SECTION MOVING MEANS, A CHARGE OF MONOPROPELLANT SUBSTANTIALLY FILLING SAID CAVITY IN THE FORM OF A FLOWABLE PROPELLANT, AN APERTURE IN AT LEAST ONE OF SAID SECTIONS EXTENDING FROM SAID CAVITY TO THE REAR OF SAID UNIT FOR PROPELLANT EJECTION EXTERNALLY OF THE UNIT, AND ADHERENT MEANS MOUNTED ON AT LEAST ONE OF SAID SECTIONS FOR CLOSING SAID CAVITY AT SAID APERTURE RUPTURABLY AT A PREDETERMINED PRESSURE OF SAID MONOPROPELLANT DEVELOPED AS SAID PLUG SECTION IS MOVED AGAINST SAID BOTTOM SURFACE, WHEREBY SAID UNIT IS RENDERED SUBSTANTIALLY SOLID AND PROJECTABLE BY SUBSEQUENT IGNITION OF THE EJECTED CHARGE OF MONOPROPELLANT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |