US3518697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material tester and recorder
Assignee: Automation Industries Inc
•
Filing: 1967-12-18
•
Granted: 1970-06-30
•
Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 George D Martens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:09
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/06; G01N29/0609; G01N29/0618; G01N29/0636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2748290A
Cited
US2770966A
Cited
US2740289A
Cited
US2922887A
Cited
FR1210801A
Cited
US3064077A
Cited
US3121855A
Cited
US3166930A
Cited
GB1046774A
Cited
US3431774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |