Patent US3404907A successfully refreshed from Google Patents.
US3404907A
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US
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Assignee: Zurn Industries LLC
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Filing: 1965-09-07
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Granted: 1968-10-08
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 John J Kane
- 👤 John E Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:00
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; F16D1/101; Y; Y10; Y10T; Y10T403/00; Y10T403/16; Y10T403/70; Y10T403/7018; Y10T403/7021; Y10T403/7024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |