Patent US3403605A successfully refreshed from Google Patents.
US3403605A
Expired / Lapsed
US
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Single pin boss piston
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1966-05-06
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Granted: 1968-10-01
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Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:30
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/10; F16J1/14; F16J1/16; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE176988C
Cited
GB215957A
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US1789089A
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FR686883A
Cited
US2496094A
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US2752213A
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US2823085A
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US3081809A
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US2849264A
Cited
US2830860A
Cited
GB1032360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |