Patent US2074841A successfully refreshed from Google Patents.
US2074841A
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US
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Assignee: Individual
•
Filing: 1936-11-05
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Granted: 1937-03-23
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Expires: 1956-11-05
Abstract
No abstract record available.
Inventors
- 👤 Haimowitz Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:04
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; A; A47; A47G; A47G25/00; A47G25/14; A47G25/1407; A47G25/1414; A47G25/1421; F; F16; F16B; F16B45/00; F16B45/02; F16B45/036; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44744; Y10T24/44752; Y10T24/51
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) | 1940-03-22 | 1940-09-21 | 1941-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-22 | 1944-09-21 | 1945-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-22 | 1948-09-21 | 1949-03-23 | $7700.00 | Window Closed / Lapsed |