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US3132562A Expired / Lapsed US ⏱️ 0.0 years remaining

Launching system for rocket driven devices

Assignee: Dow Chemical Co
•
Filing: 1961-05-16
•
Granted: 1964-05-12
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Expires: 1981-05-16
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Abstract

No abstract record available.

Inventors

  • 👤 Ludo K Frevel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:42
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 190 words
AN UNDERGROUND APPARATUS FOR LAUNCHING ROCKET DRIVEN VEHICLES INCLUDING SAID VEHICLE WHICH COMPRISES; A MULTISTAGE, RIGID, SMOOTH-BORE, EVACUABLE ACCELERATOR TUBE, SAID TUBE BEING POSITIONED VERTICALLY UNDERGROUND WITH ITS UPPER END AT ABOUT GROUND SURFACE LEVEL AND HAVING A FLANGE AT ITS TOP, SAID ACCELERATOR TUBE HAVING A GAS VENT SYSTEM NEAR THE BOTTOM FOR REMOVAL AND PURGING OF EXCESS GASES FROM SAID TUBE SUBSEQUENT TO A LAUNCHING OF SAID VEHICLE. A VACUUM LOCK ATTACHED TO THE BOTTOM OF SAID ACCELERATOR TUBE FOR HOLDING A ROCKET DRIVEN VEHICLE TO BE LAUNCHED WHEREBY SAID VEHICLE IS INTRODUCED INTO SAID ACCELERATOR TUBE, A MULTIPLICITY OF GAS STORAGE VESSELS SURROUNDING SAID ACCELERATOR TUBE, EACH OF SAID GAS STORAGE VESSELS BEING SUBSTANTIALLY THE SAME LENGTH AS SAID ACCELERATOR TUBE, EACH OF SAID GAS STORAGE VESSELS DIVIDED INTERNALLY INTO SECTIONS CORRESPONDING IN LENGTH TO THE STAGES OF SAID ACCELERATOR TUBE, EACH OF SAID GAS STORAGE VESSELS CONTAINING A COMPRESSED, LOW MOLECULAR WEIGHT GAS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HELIUM AND MIXTURES THEREOF AND EACH OF SAID SECTIONS OF SAID GAS STORAGE VESSELS FITTED WITH A TUNGSTEN ARC HEAT PRODUCING DEVICE IN ITS UPPER PORTION,
Claim 2
Dependent Claim 190 words
AN UNDERGROUND APPARATUS FOR LAUNCHING ROCKET DRIVEN VEHICLES INCLUDING SAID VEHICLE WHICH COMPRISES; A MULTISTAGE, RIGID, SMOOTH-BORE, EVACUABLE ACCELERATOR TUBE, SAID TUBE BEING POSITIONED VERTICALLY UNDERGROUND WITH ITS UPPER END AT ABOUT GROUND SURFACE LEVEL AND HAVING A FLANGE AT ITS TOP, SAID ACCELERATOR TUBE HAVING A GAS VENT SYSTEM NEAR THE BOTTOM FOR REMOVAL AND PURGING OF EXCESS GASES FROM SAID TUBE SUBSEQUENT TO A LAUNCHING OF SAID VEHICLE. A VACUUM LOCK ATTACHED TO THE BOTTOM OF SAID ACCELERATOR TUBE FOR HOLDING A ROCKET DRIVEN VEHICLE TO BE LAUNCHED WHEREBY SAID VEHICLE IS INTRODUCED INTO SAID ACCELERATOR TUBE, A MULTIPLICITY OF GAS STORAGE VESSELS SURROUNDING SAID ACCELERATOR TUBE, EACH OF SAID GAS STORAGE VESSELS BEING SUBSTANTIALLY THE SAME LENGTH AS SAID ACCELERATOR TUBE, EACH OF SAID GAS STORAGE VESSELS DIVIDED INTERNALLY INTO SECTIONS CORRESPONDING IN LENGTH TO THE STAGES OF SAID ACCELERATOR TUBE, EACH OF SAID GAS STORAGE VESSELS CONTAINING A COMPRESSED, LOW MOLECULAR WEIGHT GAS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HELIUM AND MIXTURES THEREOF AND EACH OF SAID SECTIONS OF SAID GAS STORAGE VESSELS FITTED WITH A TUNGSTEN ARC HEAT PRODUCING DEVICE IN ITS UPPER PORTION,

References Cited (Backward Citations)

US263408A Cited
US2609730A Cited
US2872846A Cited
US2870675A Cited
US2953065A Cited
US2981152A Cited
US3011406A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-12 1967-11-11 1968-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-12 1971-11-11 1972-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-12 1975-11-11 1976-05-12 $7700.00 Window Closed / Lapsed

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