US3513282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for spark erosion apparatus
Assignee: Molins Machine Co Ltd
•
Filing: 1966-09-19
•
Granted: 1970-05-19
•
Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 Austin Leslie Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:43
CPC Classifications
B; B23; B23H; B23H1/00; B23H1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2485361A
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US2895529A
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US2861164A
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US2908797A
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US3035151A
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US3271848A
Cited
US3244852A
Cited
US3390247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |