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US1532441A
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Assignee: Individual
•
Filing: 1924-05-24
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Granted: 1925-04-07
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Expires: 1944-05-24
Abstract
No abstract record available.
Inventors
- 👤 Ragsdale John Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:11
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1049; Y10T292/1051
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-04-06 | 1928-10-06 | 1929-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-04-06 | 1932-10-06 | 1933-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-04-06 | 1936-10-06 | 1937-04-07 | $7700.00 | Window Closed / Lapsed |