Patent US3036814A successfully refreshed from Google Patents.
US3036814A
Expired / Lapsed
US
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Inlet valve assembly
Assignee: Filtex Corp
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Filing: 1959-12-24
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Granted: 1962-05-29
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:44
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/38; Y; Y10; Y10S; Y10S285/00; Y10S285/915; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1031391A
Cited
US980418A
Cited
US1044707A
Cited
US1036378A
Cited
US1618667A
Cited
US2861586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |