US2908283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc valve and assembly
Assignee: Chamberlain Corp
•
Filing: 1955-07-11
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Granted: 1959-10-13
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Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 Desire A Kiffer
- 👤 Lawrence D Orser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:44
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; F16K15/1402; F16K15/1471; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5153; Y10T137/7722; Y10T137/7837; Y10T137/7854; Y10T137/7856; Y10T137/7879; Y10T137/788; Y10T137/7881; Y10T137/7882; Y10T137/7885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US236719A
Cited
US1428399A
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US1745304A
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US2102824A
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US1936236A
Cited
US2174742A
Cited
US2623540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |