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US1744707A
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Assignee: Individual
•
Filing: 1923-06-11
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Granted: 1930-01-21
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Expires: 1943-06-11
Abstract
No abstract record available.
Inventors
- 👤 Juan De Castro Y Plans
- 👤 Heirs Carmen Iznaga Y Ruiz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:34
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0075; E05B65/0082; Y; Y10; Y10S; Y10S70/00; Y10S70/44; Y10T; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/7243; Y10T70/7249; Y10T70/7322; Y10T70/7441; Y10T70/7915; Y10T70/7949; Y10T70/80; Y10T70/8297; Y10T70/8378
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) | 1933-01-20 | 1933-07-22 | 1934-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-20 | 1937-07-22 | 1938-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-20 | 1941-07-22 | 1942-01-21 | $7700.00 | Window Closed / Lapsed |