US3380249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propulsive device
Assignee: PHYSIES TECHNOLOGY LAB Inc
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Filing: 1966-02-21
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Granted: 1968-04-30
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Meckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:08
CPC Classifications
F; F03; F03H; F03H1/00; B; B64; B64G; B64G1/00; B64G1/22; B64G1/40; B64G1/411; B64G1/413
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
A METHOD OF PROPULSION COMPRISING: BOMBARDING A SURFACE OF A FUEL MATERIAL CAPABLE OF BEING SPUTTERED WITH PARTICLES OF SUFFICIENT ENERGY TO CAUSE EJECTION OF A NEUTRAL PARTICLE BEAM FROM SAID SURFACE; DIRECTING SAID NEUTRAL PARTICLE BEAM IN THE DESIRED DIRECTION OF THRUST; AND REPLENISHING SAID FUEL MATERIAL AT SAID SURFACE AS SAID SURFACE IS SPUTTERED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |