Patent US3897713A successfully refreshed from Google Patents.
US3484714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser having a 90 polarization rotator between two rods to compensate for the effects of thermal gradients
Assignee: Warner Lambert Co LLC
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Filing: 1964-12-16
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Granted: 1969-12-16
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Expires: 1984-12-16
Abstract
No abstract record available.
Inventors
- 👤 Charles J Koester
- 👤 Elias Snitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:41
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/23; H01S3/2308; H01S3/005; H01S3/05; H01S3/06; H01S3/0602; H01S3/07; H01S3/08; H01S3/08072; H01S3/2316
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) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |