US2949803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-wired organ system and rectifier therefor
Assignee: Individual
•
Filing: 1957-02-25
•
Granted: 1960-08-23
•
Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Donald J Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:10
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; G10H1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2579358A
Cited
US2504906A
Cited
US2528086A
Cited
US2562471A
Cited
US2852973A
Cited
US2832898A
Cited
US2767264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |