US2605418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scanning system
Assignee: Individual
•
Filing: 1945-05-09
•
Granted: 1952-07-29
•
Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Albert M Grass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:03
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/08; H01Q3/10; G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1932469A
Cited
GB450484A
Cited
US2083242A
Cited
US2231929A
Cited
US2264850A
Cited
GB557903A
Cited
GB557870A
Cited
US2412612A
Cited
US2452349A
Cited
US2446024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |