Patent US2849026A successfully refreshed from Google Patents.
US2849026A
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Flexible fluid sealing diaphragm
Assignee: Individual
•
Filing: 1955-12-12
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Granted: 1958-08-26
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Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 John F Taplin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:21
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/002; B29C51/004; B29C70/00; B29C70/68; B29C70/82; F; F16; F16J; F16J3/00; F16J3/02; F16J3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US971583A
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US1077472A
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GB405686A
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US2178953A
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US2285967A
Cited
US2304989A
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US2444394A
Cited
US2460168A
Cited
US2697057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |