US3015535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical system for mirror galvanometers
Assignee: Individual
•
Filing: 1960-06-22
•
Granted: 1962-01-02
•
Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Stuart K Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:16
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US815831A
Cited
US1068370A
Cited
US1871709A
Cited
US2172166A
Cited
US2429236A
Cited
US2806372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |