Patent US3371907A successfully refreshed from Google Patents.
US3371907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible ball valve seals
Assignee: Individual
•
Filing: 1965-09-27
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Granted: 1968-03-05
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Scaramucci Domer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:05
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0626; F16K5/0631
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA567554A
Cited
US2945666A
Cited
US2963263A
Cited
US3047007A
Cited
US2989990A
Cited
US3030068A
Cited
US3016062A
Cited
US3146988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |