US2700102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long range navigation system
Assignee: Individual
•
Filing: 1945-09-14
•
Granted: 1955-01-18
•
Expires: 1965-09-14
Abstract
No abstract record available.
Inventors
- 👤 Richard H Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:38
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/08; G01S1/20; H; H03; H03K; H03K25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2137010A
Cited
US2113011A
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US2404918A
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US2277000A
Cited
US2306386A
Cited
US2537077A
Cited
US2410156A
Cited
US2420516A
Cited
US2450360A
Cited
US2487191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |