Patent US2536587A successfully refreshed from Google Patents.
US2536587A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1946-04-10
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Granted: 1951-01-02
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Expires: 1966-04-10
Abstract
No abstract record available.
Inventors
- 👤 George E Whalley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:46
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/0004; B65D19/0006; B65D19/003; B65D19/0032; B65D19/0036; B65D19/0038; B65D19/004; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00019; B65D2519/00039; B65D2519/00049; B65D2519/00054; B65D2519/00074; B65D2519/00258; B65D2519/00263; B65D2519/00268; B65D2519/00278; B65D2519/00283; B65D2519/00288; B65D2519/00313; B65D2519/00318; B65D2519/00328; B65D2519/00333; B65D2519/00343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1754784A
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US2029048A
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US2016273A
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US2340956A
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US2388730A
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US2432849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |