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US3478277A
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Assignee: AT&T Inc
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Filing: 1964-06-24
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Granted: 1969-11-11
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Giordmaine
- 👤 Wolfgang K Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:39
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; H01S3/08018; H01S3/0804; H01S3/06; H01S3/0602; H01S3/0606; H01S3/0615; H01S3/0619; H01S3/0621; H01S3/0627; H01S3/081; H01S3/0813; H01S3/0815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |