US2830288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lobing system
Assignee: Individual
•
Filing: 1945-10-05
•
Granted: 1958-04-08
•
Expires: 1965-10-05
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dicke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:47
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S13/4445; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB441964A
Cited
US2423104A
Cited
US2412161A
Cited
US2480829A
Cited
US2445895A
Cited
US2411034A
Cited
US2416155A
Cited
US2593120A
Cited
US2510692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |