Patent US3424155A successfully refreshed from Google Patents.
US3424155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burstable diaphragm seal
Assignee: Individual
•
Filing: 1968-01-24
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Granted: 1969-01-28
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Expires: 1988-01-24
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Sarnoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:38
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/285; A61M5/286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2646798A
Cited
US3091240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |