US3470618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge finder
Assignee: Granite State Machine Co Inc
•
Filing: 1967-07-21
•
Granted: 1969-10-07
•
Expires: 1987-07-21
Abstract
No abstract record available.
Inventors
- 👤 Donald R Richer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:45
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125810A
Cited
US1040715A
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US2533198A
Cited
FR1035033A
Cited
US2665492A
Cited
US2649783A
Cited
US2645024A
Cited
US2860418A
Cited
US3115710A
Cited
US3370356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |