US2564962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil filler and vent unit
Assignee: Individual
•
Filing: 1947-01-02
•
Granted: 1951-08-21
•
Expires: 1967-01-02
Abstract
No abstract record available.
Inventors
- 👤 George H Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:23
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322535A
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US1402125A
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US664111A
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US1479031A
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US1443402A
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US1525991A
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US2170722A
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US2218371A
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US2309804A
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US2292656A
Cited
US2236104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |