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US2490440A
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Assignee: Individual
•
Filing: 1946-05-22
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Granted: 1949-12-06
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Expires: 1966-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jacobs Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:37
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/002; A46B11/0041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US367379A
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US789437A
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US1408520A
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US1485126A
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US1679843A
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DE471598C
Cited
US2110188A
Cited
US2149611A
Cited
FR827725A
Cited
US2249478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |