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US2491206A
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US
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Assignee: Individual
•
Filing: 1944-04-26
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Granted: 1949-12-13
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Expires: 1964-04-26
Abstract
No abstract record available.
Inventors
- 👤 Roy C Potts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:29
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/48; B65D5/48002; B65D5/32; B65D5/322; B65D5/326; B65D5/36; B65D5/3607; B65D5/3614; B65D5/3621; Y; Y10; Y10S; Y10S229/00; Y10S229/942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US221244A
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US1084140A
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US1198294A
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US1188401A
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US1959193A
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US2047033A
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US2052135A
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US2327529A
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US2297982A
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US2361659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |