US2941367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure transmitting device
Assignee: Individual
•
Filing: 1957-04-30
•
Granted: 1960-06-21
•
Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Schwab Charles John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:53
CPC Classifications
F; F15; F15B; F15B3/00; F16; F16B; F16B2200/00; F16B2200/60; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5733; Y10T403/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR525622A
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FR521240A
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US1507390A
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US1898376A
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US1955565A
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US2084191A
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US2219765A
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GB549464A
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FR921865A
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US2600540A
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FR936570A
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US2515956A
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US2714899A
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US2770949A
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GB750646A
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US2863214A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |