US2585797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter and vapor lock controller
Assignee: Individual
•
Filing: 1946-10-16
•
Granted: 1952-02-12
•
Expires: 1966-10-16
Abstract
No abstract record available.
Inventors
- 👤 William J Linn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:19
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1061755A
Cited
GB191229951A
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US1102685A
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DE348657C
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DE372606C
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US1580470A
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US1506967A
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US1582859A
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US1941311A
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US2072393A
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US2145535A
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US2197471A
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US2268884A
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US2352315A
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US2460084A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |