Patent US2982088A successfully refreshed from Google Patents.
US2982088A
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Gas leakage prevention means for hot gas reciprocating apparatus
Assignee: US Philips Corp
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Filing: 1957-10-03
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Granted: 1961-05-02
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Expires: 1977-10-03
Abstract
No abstract record available.
Inventors
- 👤 Meijer Roelf Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:37
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/053; F02G1/0535; F02G2243/00; F02G2243/02; F02G2243/04; F02G2243/08; F02G2253/00; F02G2253/03; F02G2270/00; F02G2270/42; F02G2270/425; F02G2270/85; Y; Y10; Y10S; Y10S277/00; Y10S277/902; Y10S277/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |