US3064418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar rocket with pebble bed heat exchanger
Assignee: Individual
•
Filing: 1960-07-07
•
Granted: 1962-11-20
•
Expires: 1980-07-07
Abstract
No abstract record available.
Inventors
- 👤 John C Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:36
CPC Classifications
F; F03; F03H; F03H99/00; F02; F02K; F02K9/00; F24; F24S; F24S10/00; F24S10/80; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1599481A
Cited
US1700675A
Cited
FR862843A
Cited
US2291534A
Cited
US2793018A
Cited
US2920710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |