US2559666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double aperture generator
Assignee: Individual
•
Filing: 1943-04-23
•
Granted: 1951-07-10
•
Expires: 1963-04-23
Abstract
No abstract record available.
Inventors
- 👤 Allen H Schooley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:17
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/70; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2063025A
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US2139432A
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US2226459A
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US2118626A
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US2113214A
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US2166688A
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US2277000A
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US2403975A
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US2408078A
Cited
US2455265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |