Patent US3435226A successfully refreshed from Google Patents.
US3435226A
Expired / Lapsed
US
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Optical pulse generator
Assignee: AT&T Inc
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Filing: 1965-10-20
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Granted: 1969-03-25
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Alois J Rack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:30
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/42; G; G02; G02F; G02F3/00; G06; G06E; G06E1/00; G06E1/02; G06E1/06; H01; H01S; H01S3/00; H01S3/10; H01S3/106; H01S3/107
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |