Patent US3445447A successfully refreshed from Google Patents.
Patent US2845869A successfully refreshed from Google Patents.
US2845869A
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Thermo-sensitive pump
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1955-04-25
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Granted: 1958-08-05
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Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Edward J Herbenar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:33
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/08; F; F04; F04D; F04D15/00; F04D15/0055; F04D15/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1015552A
Cited
US2005193A
Cited
US2114567A
Cited
US2295944A
Cited
US2292082A
Cited
US2385096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |