US3516011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled laser system
Assignee: Union Carbide Corp
•
Filing: 1968-03-14
•
Granted: 1970-06-02
•
Expires: 1988-03-14
Abstract
No abstract record available.
Inventors
- 👤 James Frederick Hadwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:29
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/02; H01S3/04; H01S3/042; H01S3/0404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3210687A
Cited
US3209281A
Cited
US3391281A
Cited
US3310753A
Cited
GB1028643A
Cited
US3319183A
Cited
US3307448A
Cited
US3311845A
Cited
US3387227A
Cited
US3293564A
Cited
US3369101A
Cited
US3405372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |