Patent US1613322A successfully refreshed from Google Patents.
US2040992A
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US
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Assignee: Individual
•
Filing: 1933-02-28
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Granted: 1936-05-19
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Expires: 1953-02-28
Abstract
No abstract record available.
Inventors
- 👤 Warren B Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:51
CPC Classifications
D; D21; D21C; D21C11/00; D21C11/10; D21C11/106; B; B60; B60T; B60T11/00; B60T11/04; B60T11/046; D03; D03C; D03C1/00; D03C1/14; D03C1/144; D03C9/00; D03C9/06; D03C9/0683; D03C2700/00; D03C2700/01; D03C2700/14; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3907
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) | 1939-05-19 | 1939-11-18 | 1940-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-19 | 1943-11-18 | 1944-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-19 | 1947-11-18 | 1948-05-19 | $7700.00 | Window Closed / Lapsed |