US2912656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant bandwidth coupling system
Assignee: Lanteris Space LLC
•
Filing: 1955-03-07
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Granted: 1959-11-10
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Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 John W Waring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:16
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/0138; H03H7/0146; H03H7/17; H03H7/1708; H03H7/1741; H03H7/1775; H03H7/1783; H03H7/1791; H03H7/0153; H03H7/0161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2052338A
Cited
US2161593A
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US2244022A
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US2187805A
Cited
US2336498A
Cited
US2661459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |