Patent US2528239A successfully refreshed from Google Patents.
US2528239A
Expired / Lapsed
US
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Handle
Assignee: Individual
•
Filing: 1949-09-23
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Granted: 1950-10-31
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Expires: 1969-09-23
Abstract
No abstract record available.
Inventors
- 👤 Roy F Mcvay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:46
CPC Classifications
A; A45; A45F; A45F5/00; A45F5/10; A45F5/102; A45F5/1026; A45F5/1046; B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/46; B65D5/46008; B65D75/00; B65D75/52; B65D75/54; B65D75/56; A45F2005/1053; A45F2005/106; A45F2005/1066; A45F2005/1073
Claims Analysis
Total Claims: 0
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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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |