Patent US3050949A successfully refreshed from Google Patents.
US3050949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-gas reciprocating machine
Assignee: US Philips Corp
•
Filing: 1956-06-07
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Granted: 1962-08-28
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Expires: 1976-06-07
Abstract
No abstract record available.
Inventors
- 👤 Meijer Roelf Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:48
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/053; F02G1/057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1776162A
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US1930191A
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US2014983A
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US2063325A
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US2039781A
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US2363967A
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US2635330A
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US2607190A
Cited
US2616246A
Cited
US2703109A
Cited
US2784570A
Cited
US2752172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |