US2894530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent cap for gasoline tanks and the like
Assignee: Individual
•
Filing: 1955-06-07
•
Granted: 1959-07-14
•
Expires: 1975-06-07
Abstract
No abstract record available.
Inventors
- 👤 Harold A Stevens
- 👤 Sr Frank E Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:35
CPC Classifications
A; A62; A62C; A62C4/00; B; B60; B60K; B60K15/00; B60K15/03; B60K15/035; B60K15/03519; B60K15/04; B60K15/0406; F; F16; F16K; F16K15/00; F16K15/14; F16K15/1401; F16K15/144; F16K15/147; F16K15/1472; F16K17/00; F16K17/18; F16K17/19; Y; Y10; Y10S; Y10S55/00; Y10S55/19; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7778; Y10T137/7837; Y10T137/7838; Y10T137/7879; Y10T137/788; Y10T137/7882; Y10T137/7886
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US451179A
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US1322338A
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US1428399A
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GB139633A
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US2028756A
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US2691988A
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US2688979A
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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) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |