US2642225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertility computing device
Assignee: Individual
•
Filing: 1949-05-21
•
Granted: 1953-06-16
•
Expires: 1969-05-21
Abstract
No abstract record available.
Inventors
- 👤 George H Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:39
CPC Classifications
G; G06; G06G; G06G1/00; A; A61; A61B; A61B10/00; A61B10/0012; G06C; G06C3/00; G06G1/0005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US328221A
Cited
US455161A
Cited
US510810A
Cited
US2161345A
Cited
US1555190A
Cited
US2465238A
Cited
US2494291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |