US1531269A
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Assignee: Individual
•
Filing: 1924-04-09
•
Granted: 1925-03-31
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Expires: 1944-04-09
Abstract
No abstract record available.
Inventors
- 👤 Frank E Biddle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:59
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/16; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5465; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5774; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7215; Y10T70/722
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) | 1928-03-30 | 1928-09-29 | 1929-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-30 | 1932-09-29 | 1933-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-30 | 1936-09-29 | 1937-03-31 | $7700.00 | Window Closed / Lapsed |