US3495915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric probe detecting and measuring apparatus
Assignee: General Electric Co
•
Filing: 1966-06-27
•
Granted: 1970-02-17
•
Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Hoyt J Watson
- 👤 Harold L Seekins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:53
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/08; G01B11/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL56502C
Cited
US2324304A
Cited
US2382251A
Cited
GB570022A
Cited
US2499910A
Cited
US3279460A
Cited
US2959089A
Cited
US3068739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |