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US2869585A
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Flexible diaphragm
Assignee: Motors Liquidation Co
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Filing: 1954-02-15
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Granted: 1959-01-20
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Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Max P Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; F04B43/02; F16; F16J; F16J3/00; F16J3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US250253A
Cited
US1942549A
Cited
US2061905A
Cited
US2079858A
Cited
US2060890A
Cited
US2106791A
Cited
US2354958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |